Detailed Instructions: You are given a sentence from a conversation between a human and a virtual assistant. Your task is to identify whether the sentence is a question or not. Answer with Yes or No.
See one example below:
Problem: I am feeling hungry so I would like to find a place to eat.
Solution: No
Explanation: The user is informing the intent, but not asking any question here

Problem: Do you know the phone number?
Solution:
Yes