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 Q]: Polish: na powierzchni naczynia.  
 English: on the surface of this. 
[EX A]: yes

[EX Q]: Polish: ponieważ był to materiał lekki  
 English: because it made it a softer material 
[EX A]: yes

[EX Q]: Polish: Co jeśli problemem jest korupcja? System jednopartyjny,  
 English: And the second row's not changing for now.
[EX A]:
no