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

SOLUTION: What is sand 's density ?

PROBLEM: What happend at pompeii and herulaneum ?
Mark twains real name ?
What happened in December 11 1941 ?
Do genes make hybrid ?

SOLUTION: What happend at pompeii and herulaneum ?

PROBLEM: What is quartering of soldiers in the constitution ?
Lisence in ultrasound sonograph in US ?
Who is latest king of china today ?
How do elephants adapt to there habbitats ?

SOLUTION:
What is quartering of soldiers in the constitution ?