You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: Of course. Their telephone number is 01223362525. Would you like any more information? Sentence2: TR1339 arrives at 24:07 and takes 38 minutes to arrive there. Sentence3: Thank you. I will also need to find a restaurant that serves Mediterranean food and should be in the expensive price range. Sentence4: What day and time are you leaving Cambridge? Sentence5: Sure, their address is Thompsons Lane Fen Ditton. Is there anything else I can help you with? Sentence6: nope. i think that is all. enjoy your day and stay out of the rain. bye Sentence7: La Mimosa is a great expensive Mediterranean restaurant in the centre. Would you like to book a table? Sentence8: You have a great day, too. Thanks for calling. Goodbye. Sentence9: What is the arrival time? Sentence10: TR1339 is leaving at 23:29 and it is priced at 10.10pounds. can i book? Sentence11: I'm leaving after 18:45 on thursday. Sentence12: I'd like some information on a train going to bishops stortford departing from Cambridge. Sentence13: No I would just like their telephone number please. Sentence14: Can I get their address please? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: The address is 41 Warkworth Street. Can I help you with anything else today? Sentence2: Yes, I'm looking for a guesthouse with a star rating of 1. It should be in the city centre please. Sentence3: Enjoy your trip. Sentence4: Hi! I'm looking for someplace to go in the centre. Sentence5: No that was all I needed. Thank you, goodbye. Sentence6: I don't have any guesthouses that meet that criteria. Would you like me to try something else? Sentence7: Do you have any guesthouses with a star rating of zero? Sentence8: You are booked for a yellow audi. Your contact number is 07526986404. May I help you with anything else? Sentence9: What is your departure site? Sentence10: No not right now. What is their address? Sentence11: I'm sorry, we need a taxi departing from Saint Mary's Church by 3:15 going to the guesthouse. Sentence12: Yes, I do have one. The El Shaddai is in the centre and is cheap. It is 0 star rated and offers free parking and wifi. Do you need a room? Sentence13: It does not really matter can you suggest one? Sentence14: how about little saint mary's church? Sentence15: Okay, there's plenty to do in the city's centre. What kind of attraction are you interested in? Sentence16: I also need a taxi to get to little saint mary's church by 3:15. Sentence17: It is an architecture attraction it's located on little saint mary's lane postcode cb21qy. Is there anything else I can help you with? Sentence18: Sounds perfect. Is it architectural? Also, can I have the address with postcode? Question: Who has spoken the sentence 16? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: There are nine restaurants available. Do you have a food type preference? Sentence2: Yes I have many restaurants to choose from in the west. Do you have a price range preference? Sentence3: graffiti is a nice place and is in expensive price range.Would you like the address ? Sentence4: Yes I would like it to be expensive. Sentence5: No preference on type. Sentence6: I am looking for a place to dine in the west. Question: Who has spoken the sentence 1? (A) User (B) System

Answer:
Answer: (B) System