YES
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<certificationProblem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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/></overlapPositions><labels><maxLeft>2</maxLeft><right>5</right></labels><intermediateTerms><funapp><name>a</name><arg><var>y1</var></arg></funapp><var>y1</var><funapp><name>c</name><arg><var>y1</var></arg></funapp><funapp><name>b</name><arg><funapp><name>c</name><arg><var>y1</var></arg></funapp></arg></funapp></intermediateTerms></critPairInfo><critPairInfo><left><funapp><name>a</name><arg><var>y1</var></arg></funapp></left><peak><funapp><name>a</name><arg><funapp><name>a</name><arg><var>y1</var></arg></funapp></arg></funapp></peak><right><funapp><name>b</name><arg><funapp><name>c</name><arg><var>y1</var></arg></funapp></arg></funapp></right><overlapPositions><positionInTerm><position>1</position></positionInTerm></overlapPositions><labels><maxLeft>2</maxLeft><right>5</right></labels><intermediateTerms><var>y1</var><funapp><name>c</name><arg><var>y1</var></arg></funapp></intermediateTerms></critPairInfo><critPairInfo><left><funapp><name>a</name><arg><funapp><name>b</name><arg><funapp><name>c</name><arg><var>x1_1</var></arg></funapp></arg></funapp></arg></funapp></left><peak><funapp><name>a</name><arg><funapp><name>a</name><arg><funapp><name>a</name><arg><var>x1_1</var></arg></funapp></arg></funapp></arg></funapp></peak><right><funapp><name>b</name><arg><funapp><name>c</name><arg><funapp><name>a</name><arg><var>x1_1</var></arg></funapp></arg></funapp></arg></funapp></right><overlapPositions><positionInTerm><position>1</position></positionInTerm></overlapPositions><labels><maxLeft>5</maxLeft><right>5</right></labels><intermediateTerms><funapp><name>a</name><arg><funapp><name>b</name><arg><funapp><name>c</name><arg><var>x1_1</var></arg></funapp></arg></funapp></arg></funapp><funapp><name>b</name><arg><funapp><name>c</name><arg><var>x1_1</var></arg></funapp></arg></funapp><funapp><name>b</name><arg><funapp><name>c</name><arg><funapp><name>a</name><arg><var>x1_1</var></arg></funapp></arg></funapp></arg></funapp></intermediateTerms></critPairInfo><critPairInfo><left><funapp><name>b</name><arg><funapp><name>a</name><arg><funapp><name>c</name><arg><var>x0_1</var></arg></funapp></arg></funapp></arg></funapp></left><peak><funapp><name>c</name><arg><funapp><name>b</name><arg><var>x0_1</var></arg></funapp></arg></funapp></peak><right><funapp><name>b</name><arg><var>x0_1</var></arg></funapp></right><overlapPositions><positionInTerm /></overlapPositions><labels><maxLeft>5</maxLeft><right>4</right></labels><intermediateTerms><funapp><name>b</name><arg><funapp><name>a</name><arg><var>x0_1</var></arg></funapp></arg></funapp><funapp><name>b</name><arg><var>x0_1</var></arg></funapp></intermediateTerms></critPairInfo><critPairInfo><left><funapp><name>b</name><arg><var>y1</var></arg></funapp></left><peak><funapp><name>c</name><arg><funapp><name>b</name><arg><var>y1</var></arg></funapp></arg></funapp></peak><right><funapp><name>b</name><arg><funapp><name>a</name><arg><funapp><name>c</name><arg><var>y1</var></arg></funapp></arg></funapp></arg></funapp></right><overlapPositions><positionInTerm /></overlapPositions><labels><maxLeft>1</maxLeft><right>4</right></labels><intermediateTerms><funapp><name>b</name><arg><var>y1</var></arg></funapp><funapp><name>b</name><arg><funapp><name>c</name><arg><var>y1</var></arg></funapp></arg></funapp></intermediateTerms></critPairInfo><critPairInfo><left><funapp><name>c</name><arg><var>y1</var></arg></funapp></left><peak><funapp><name>c</name><arg><funapp><name>b</name><arg><var>y1</var></arg></funapp></arg></funapp></peak><right><funapp><name>b</name><arg><funapp><name>a</name><arg><funapp><name>c</name><arg><var>y1</var></arg></funapp></arg></funapp></arg></funapp></right><overlapPositions><positionInTerm><position>1</position></positionInTerm></overlapPositions><labels><maxLeft>3</maxLeft><right>4</right></labels><intermediateTerms><funapp><name>c</name><arg><var>y1</var></arg></funapp><funapp><name>a</name><arg><funapp><name>c</name><arg><var>y1</var></arg></funapp></arg></funapp></intermediateTerms></critPairInfo></joinSequences></joinsSR><trs><rules /></trs><crProof><orthogonal /></crProof></compositionalPcpRuleLabeling></crProof></compositionalPcps></crProof></proof><origin><proofOrigin><tool><name>Hakusan</name><version>0.10</version></tool></proofOrigin></origin></certificationProblem>