TASK DEFINITION: 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.
PROBLEM: No,it s ok.Thnak you!

SOLUTION: No

PROBLEM: Their phone number is 510-238-1100, and they only serve American food. It seems like there aren't any reservations available for 7:15 pm. Would you like me to try to book a reservation at Mua Oakland for 3 people on March 13th at 7:30 pm instead?

SOLUTION: No

PROBLEM: Listen up, my friend. My co-worker and I want to celebrate the end of this tough project. Please use your magic to help me make a reservation for two at a nice restaurant.

SOLUTION:
No