Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: no, thank you. Goodbye. Sentence2: Goodbye. Sentence3: what is there phone number? Sentence4: Sitar Tandoori is an expensive indian restaurant in the east part of town. Sentence5: There are five restaurants in the expensive price range and in the east part of town. What kind of food would you like? Sentence6: I would like the phone number of an expensive restaurant on the east side of town, please. Sentence7: Pipasha Restaurant is in the expensive category and serves Indian food. It is in the east part of town. Sentence8: Their phone number is 01223 577786. Do you need their address also? Sentence9: Is there anything else? Sentence10: I would like Indian food please. Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System