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.
Input: What is age of senior citizen as per it rules considered not to fill it ?
A straight line represents what ?
The total population of Nairobi Kenya ?
How do you use the word heir in a sentence about octavian ?
Output:
How do you use the word heir in a sentence about octavian ?