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.
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Question: Most common matter is a mixture of substancestrue or false ?
What sybolizes happiness ?
When were pen invented ?
What north carolina city was the scene of a major race riot in 1898 ?

Answer: What north carolina city was the scene of a major race riot in 1898 ?


Question: Height that dartboard need to be hung ?
What phase is the potassium ?
Where are the spark plugs on a 2000 chevy prizm ?
What is saturn 's period of revolutin ?

Answer: Where are the spark plugs on a 2000 chevy prizm ?


Question: Can wolf be a pet ?
What bc did china begin in ?
1 sq ft equals to sq meter ?
What catagory is a truss bridge in ?

Answer:
What catagory is a truss bridge in ?