Instructions: 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".
Input: Polish: Zobaczmy, C zawiera liczby 1, 7 i 18, więc każdy element zbioru B istotnie należy do C  
 English: Let's see. C contains 1, 7, 18, so every member of B is indeed a member of C 
Output:
yes