Instructions: You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.
Input: In which year did Jallianwala Bagh Massacre take place ?
Can take acetaminophen with warfarin ?
What is difference in mp3 player and ipod ?
What are zener diodes and when would you use them ?
Output:
What are zener diodes and when would you use them ?