Detailed Instructions: 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:How many people are in china right now on this moment right now ?
Are ionic solids soluble in hexane ?
How long does it take to become a mairne bioligist ?
When was restriction enzymes created ?
Solution:
Are ionic solids soluble in hexane ?