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".

Ex Input:
Polish: co oznacza, że są rzeczy w A, których nie ma w B.  
 English: which means that there are things in A that are not in B. 

Ex Output:
yes


Ex Input:
Polish: Lepiej nie będę drążył tematu.  
 English: elimination matrices, together, you essentially

Ex Output:
no


Ex Input:
Polish: Coś jest podzbiorem jeśli każdy jego element jest także elementem drugiego zbioru.  
 English: It's a subset if every member of the set is also a member of the other set. 

Ex Output:

yes