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

Q: Sentence1: No, that's all I needed. Thank you for your help - goodbye! Sentence2: I will take the one that arrives at 15:08. can you make me a booking for 8 people on Wednesday? I will need a reference number. Sentence3: The train should depart from Cambridge on Wednesday and headed for Stansted Airport. It should arrive by 15:15. I would also like you to make a booking for 6 people. Sentence4: I'm looking for a train. Sentence5: I have two trains that would suit you. One arrives at 14:08 and the other at 15:08. Do you have a preference? Sentence6: I have 2,828 trains with different routes, to help narrow it down, where will you be departing/arriving, and what day/time? Sentence7: It was a pleasure to assist you. Please use us again for your future needs. Have a good day. Sentence8: Sure thing! I've booked the train for 8, and your reference number is I62H3VUY . Is there anything else I can do for you today? Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: How about an expensive restaurant that serves British food? Sentence2: Cineworld sounds perfect. What's their postal code? Sentence3: The postal code is cb17dy. Can I get you anything else? Sentence4: There are six expensive British restaurants in Cambridge. Do you have a preferred section of town? Sentence5: Have a good time! Sentence6: It's all new to me. Could you recommend one? Sentence7: Sure thing, we have the cineworld cinema located at Cambridge leisure park, Clifton way. Sentence8: Absolutely, I recommend the Cambridge Chop House at 1 Kings Parade in the centre of town. This is a highly recommended British experience by locals and tourists a-like. Sentence9: No, that'll be all. Thank you for all of your help today. Sentence10: I am sorry but there are no restaurants matching your requests. Would you like me to search for a different food type? Sentence11: Great. Could you also help me find a cinema in the south of town? Sentence12: Hello, I am trying to locate a restaurant that serves northern European food, and I would prefer a more elegant setting. Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Booking was successful. Reference number is : BV84E4XA . What else can I assist you with? Sentence2: The only option we have is the TR6595 which leaves at 19:00. Does thatwork for you? Sentence3: El Shaddai gets zero stars and so does the City Centre North B and B. Sentence4: I'd be happy to help. What is your destination? Sentence5: Your reference number is STVHW0DA . Sentence6: I am also looking for a cheap place to stay that has wifi. Sentence7: Have a wonderful day. If there is anything else just let me know. Sentence8: Can you locate a Starbucks Coffee near the train station in London King's Cross? Sentence9: It appears they about the same price. Sentence10: Which one of those is the cheapest? Sentence11: I'd like to get to London King's Cross on Thursday. Sentence12: That is all I need today. Thank you for your help. Sentence13: Ok. There are 10 cheap places with wifi. Were you looking for a certain part of town? Sentence14: Yes, please book it for 5 people. Sentence15: i need a train out of cambridge after 17:30 Sentence16: It doesn't matter, but I want it to be zero stars. Sentence17: Ok please book El Shaddai for 5 people and 4 nights starting sunday Sentence18: There is one 3 blocks from the station,is there anything else ? Question: Who has spoken the sentence 5? (A) User (B) System

A:
Answer: (B) System
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