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.

Example Input: Can't get a rez. Taco Bell has Burrito type of food. It's inexpensive. Should I give them a shot for 6:30 pm today, table for 2.
Example Output: No

Example Input: Could I assist you with something else?
Example Output: Yes

Example Input: Correct, thanks.
Example Output:
No