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.

How do you clean a frogs tank ?
Heart rate for a 7 week old fetus ?
Vaccination in developing immunity ?
What is alyson have a cell phone number ?
How do you clean a frogs tank ?

Light emitting diod mean ?
How did Nelson Mandela played in abolishing apartheid ?
How big is nano technology ?
Why is genome sequencing important ?
Why is genome sequencing important ?

What is michael phelps penis size ?
Scandinavia is part of this continent ?
Advantages and disadvatages of a mixed economy ?
How change windscreen wiper front 107 ?
What is michael phelps penis size ?