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.

Ex Input:
which city should I search from

Ex Output:
Yes


Ex Input:
Can you confirm: you want to see Hotel Mumbai without subtitles?

Ex Output:
No


Ex Input:
Sorry, the reservation was unsuccessful. What else may I do for you?

Ex Output:

No