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: matematyki w trakcie lekcji matematyki.  
 English: doing some real mathematics during your math class. 

A: yes
****
Q: Polish: aby wypić wszystko do dna?  
 English: to get to the bottom? (Laughs) 

A: yes
****
Q: Polish: Czy ma to na celu utrzymanie naczynia w pozycji stojącej albo ...?  
 English: Is that to keep it standing, or...? 

A:
yes
****