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.

Q: What's their phone number?

A: Yes
****
Q: Can you tell me the phone number?

A: Yes
****
Q: Please give confirmation details: Booking a table at Bombay to Goa at 5:30 pm

A:
No
****