Given the task definition, example input & output, solve the new input case.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User
The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input case for you: Sentence1: Yes, there are 5 Indian restaurants in the west. May I recommend Tandoori Palace on Histon Road, Chesterton. Sentence2: Great I'm also looking for an expensive restaurant in the west part of town Sentence3: Their address is 68 Histon Road Chesterton and the phone number is 01223506055. Will there be anything else I can assist you with today? Sentence4: Sure. I'm leaving from Kings Lynn sometime after 12:45 on Monday. Do you have anything? Sentence5: I have no Italian food available. Sentence6: I have several. What type of food are you looking for? I have British, Chinese, Indian and Gastropub food to choose from in this price range. Sentence7: OK, thanks for using Cambridge TownInfo centre. Have a great day! Sentence8: Ok no problem. Is there a place that serves Indian food instead? Sentence9: Okay, you are booked for 7 people on TR4329, your reference number is S9WXSL0O . Sentence10: The earliest train after that time is TR4329. It leaves at 13:11 and arrives in Cambridge at 13:58. Would that work for you or would you like a later train? Sentence11: That sounds great. May I have the address and phone number for the Tandoori Palace, please? Sentence12: That will work. Can you book 7 tickets for that one please? Sentence13: May I ask where you are leaving from? Sentence14: It should serve Italian food. Sentence15: Hi, I'm looking for a train to Cambridge on Monday Sentence16: Thank you. That is all that I need. Question: Who has spoken the sentence 4? (A) User (B) System
Output:
Answer: (A) User