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.

Q: Who demanded henry hudson to explore ?
How do are muscles respond to exercise ?
What are the subject require to become a pediatrician ?
What is economics and their branches ?

A: What is economics and their branches ?
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Q: Where does emulsifier 481 come from ?
What is the smallest county is england ?
How many medals mark todd won in his life at the olympics ?
Richard wagner was bornin which country ?

A: Where does emulsifier 481 come from ?
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Q: What is the importance of dance to myself ?
What type of sports does honduras ?
What is the biggest passenger air-liner in the world ?
How many different species of insects are their ?

A:
What is the biggest passenger air-liner in the world ?
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