Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: It is. How many people will there be and what time would you like on Wednesday? Sentence2: Okay I booked you into the J Restaurant that also serves Asian food in the cheap price range and your reference number is 7MUMBMFD . Sentence3: Is dojo noodle bar in the centre of town? I need something in that area, please. Sentence4: The booking was unsuccessful. Would like to book it at another time? Sentence5: The reservation needs to be for 2 for 17:00 on Wednesday evening. Do they have a table then? Sentence6: I need a cheap place to dine please. Sentence7: I don't care about the type of food. I need a reservation for Wednesday night. Sentence8: Thanks so much. That's all I needed. Sentence9: I can book you for dojo noodle bar, how many should I book for and what is the preferred time? Sentence10: No. It needs to be t 17:00. Another restaurant in the same area and price range would work. Sentence11: We have 22 inexpensive restaurants. What sort of cuisine would you like? Sentence12: You're welcome. Enjoy your day. Question: Who has spoken the sentence 11? (A) User (B) System
Output:
Answer: (B) System