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.

Ex Input:
What was the main teaching of pure land buddhism ?
Why use models in science ?
How many floors are in frosty grotto on red rescue team ?
Can you give a sentence using the word unsullied ?

Ex Output:
What was the main teaching of pure land buddhism ?

Ex Input:
What is planet Earths best known feature ?
Who discovered fluoride ?
What is the most hardest division problem in the world ?
2 types of business communications enhanced by desktop publishing are ?

Ex Output:
Who discovered fluoride ?

Ex Input:
How many meters does it take to make a yard ?
Which of the followig are steps for balancing chemical equations ?
What defines six goals for the constitution ?
What of the following has the highest specific gravity ?

Ex Output:
How many meters does it take to make a yard ?