Definition: You are given a set of queries separated by '
', and your job is to find out the query which is not a well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.

Positive Example 1 -
Input: How many miles is 43560 ?
What is the national currency of Albania ?
What is the status of the draft today in US ?
Where is the oil plug in a 2004 Harley ?
Output: How many miles is 43560 ?

Positive Example 2 -
Input: Where do the pygmy people live ?
How much does a forensic psychologist earn weekly ?
University of paris also called ?
What qualifications do you need to be an actuary ?
Output: University of paris also called ?

Negative Example 1 -
Input: How many miles is 43560 ?
What is the national currency of Albania ?
What is the status of the draft today in US ?
Where is the oil plug in a 2004 Harley ?
Output: Convert 43560 into kilometers?

Negative Example 2 -
Input: Where do the pygmy people live ?
How much does a forensic psychologist earn weekly ?
University of paris also called ?
What qualifications do you need to be an actuary ?
Output: 7 What comprises a serosa ?

Now complete the following example -
Input: What were the Chinese fighting for in the Chinese Revolution ?
Where is the pituitary located in the brain ?
What is differ between a hot and cold front ?
Where do you get mesa in spectrobes ?
Output: 


Output: What is differ between a hot and cold front ?