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 Q]: What else can I do?
[EX A]: Yes

[EX Q]: Sorry, the reservation was unsuccessful. What else may I do for you?
[EX A]: No

[EX Q]: You need to confirm the details which are as follows.You have reserved a table at Flames Eatery & Bar in San Jose at 7 pm.The booked table is for 2 people today.
[EX A]:
No