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.

I'm thinking 5:15 pm.
No

Do you have a restaurant you prefer? Can you tell me the time of the reservation?
Yes

Confirming a table for 1 at House of Curries in Berkeley at 1:15 PM today.

No