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.

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

[EX Q]: What country has alot of volcano ?
What are written buddhist teachings ?
Birds tht start with an p ?
How manyare thir in a calorie pancakes ?
[EX A]: What are written buddhist teachings ?

[EX Q]: Reaction calcium carbonate vinegar ?
What is cody simpsons favotite color ?
Several inorganic substances which make up the environment ?
What is the role of the neurotransmitter ?
[EX A]:
What is the role of the neurotransmitter ?