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: What do the nike symbol mean ?
What is sand 's density ?
Rome to verona by train ?
What did pennsylvania eat and drink ?

A: What is sand 's density ?
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Q: Where is the cranshaft position sensor on a nissan altima 2005 4cylender ?
The human eye focuses by doing what ?
Process of making free cash flow ?
What is the 4 digit code on the radio on a 2003 ?

A: The human eye focuses by doing what ?
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Q: 70 kg in ibs ?
Bolt pattern for a 1993 buick road master ?
How would open campus help out the economy ?
Where shakira from and the country information ?

A:
How would open campus help out the economy ?
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