In this task, you are given a sentence in Polish language and its corresponding English translation. Here, your job is to output label "yes" if the translation is correct, otherwise output "no".

[Q]: Polish: miesiąca od dnia zakupu opcji,  
 English: one month from the date you buy the option, 
[A]: yes


[Q]: Polish: Tak naprawdę, każdy zbiór jest swoim podzbiorem, ponieważ każdy z jego elementów należy do niego.  
 English: In fact, every set is a subset of itself because everyone of its members is a member of A. 
[A]: yes


[Q]: Polish: należy pracować z tym materiałem.  
 English: to work with the material. 
[A]:
yes