You will be given a definition of a task first, then some input of the task.
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 economic history of pakistan introduction ?
What is the meaning of personal hygeine ?
Air is made up of gaseswhat are they ?
How do you change the oil in 2007 accord ?
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
What is the meaning of personal hygeine ?