Problem: Under certain conditions therefore , equivalence classes of statistical ensembles have the structure of a convex set .
The equivalence classes of statistical ensembles therefore have the structure of a convex quantity under certain conditions .
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A: yes

Problem: Cooper was born in Long Beach , California , and lived all his life in Los Angeles , California .
Cooper was born in Los Angeles , California , and lives his whole life in Long Beach , California .
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A: no

Problem: In 2005 , Dieudonne and Jean-Christophe Jeauffre founded the French version of the American nonprofit company Jules Verne Adventures .
In 2005 Dieudonne and Jean-Christophe Jeauffre founded the American version of the French nonprofit Jules Verne Adventures .
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A:
no