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.

The water is tested for sugar what do you use to test for sugar ?
What causes leukemia and lymphoma ?
What isan subatomic particle ?
Pork barrel and casework ?
What causes leukemia and lymphoma ?