You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Here is the reference number: MVMT06FY Sentence2: Thank you, that's all I need. Good bye. Sentence3: That would be great. I need to for 2 people at 13:00 on Tuesday. Can you provide the reference number for the reservation? Sentence4: You're welcome. Have a wonderful day. Goodbye. Sentence5: iam looking for something asian oriental and not so expensive restaurant. Sentence6: There are five restaurants in the moderate price range. They sever british and asian oriental, which are you looking for? Sentence7: I have the Yippee Noodle Bar that meets your criteria. Would you like me to make a reservation for you? Sentence8: I'm looking for a restaurant, something moderately priced. Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System