Given the task definition and input, reply with output. 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.

What is the size of the liver on man ?
Antifreeze leak on a 96 nissan altima ?
The nature of economics ?
What are the three bigest cities in oklahoma ?
What are the three bigest cities in oklahoma ?