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: Więc zarobisz 20$ na różnicy pomiędzy 80$ i 60$,  
 English: So you make $20 on the difference between $80 and $60, 
Output:
yes