Input: Please ask me a question.

Output: What poet wrote : '' ... I have promises to keep , and miles to go before I sleep '' ?

Input: Please ask me a question.

Output: What is a technique popularly used to detect birth defects ?

Input: Please ask me a question.

Output: Who is the Prophet of Medina ?

Input: Please ask me a question.

Output:
How many feet are there in a fathom ?