You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Ex Input:
Sentence1: No but I would like the phone number. Sentence2: You're very welcome! Have a great day! Sentence3: We have La Tasca, at 14 - 16 Bridge Street. Would you like a reservation? Sentence4: Awesome. Can you give me some information on local theatres? Sentence5: There are some entertainments available do you want the information? Sentence6: The phone number is 01223464630. Is there anything else I can help you with? Sentence7: I was unable to find any in that area, do you have any other place you'd like to try? Sentence8: That is all, thanks. Sentence9: I'm interested in getting some entertainment later. Sentence10: Can you give me the address, phone number, and entrance fee info for the one in the south? I also need a restaurant that is moderately priced in the centre. Sentence11: Thank you. Can you help me find a moderately-priced Latin American restaurant in the centre? Sentence12: The theatre is called, The Junction. It is located at Clifton Way, cb17gx. The phone number is 01223511511. I'm not sure if there is an entrance fee or not. Sentence13: Actually, let's try another kind of food. How about spanish? Sentence14: There are 5 theatres one in the south and 4 in the centre. Is there an area you prefer? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Yes I have it for you, its 0123357187 Sentence2: Yes, I will need the reference number please. Sentence3: Will you be needing a reference number? Sentence4: Do you have any cuisine preferences? Sentence5: any of them. book a table for 2 people at 18:45 on wednesday Sentence6: Sure. Would you like to reserve a table at Ugly Duckling, Tang Chinese, HK Fusion, or Sesame Restaurant and Bar? Sentence7: I'm looking for a luxurious dining experience in the centre of Cambridge. Sentence8: I would really like asian oriental food tonight. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
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

Ex Output:
Answer: (A) User