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

Q: Sentence1: There's a lot to do in the south. There's a cinema, entertainment, museum, nightclub, park, and theatre. What sounds good to you? Sentence2: Maybe we can do a picnic in the park. Can you tell me about what's available? Sentence3: That sounds great, thank you. I'm also looking on information on trains arriving from cambridge by 15:15. Sentence4: you're welcome. i hope you'll have a wonderful and adventurous picnic. Goodbye Sentence5: How about wandlebury country park that is located in the south park of town? It is also free. Sentence6: No thank you. Sentence7: My pleasure. Can I help you with something else? Sentence8: Your best bet would be the TR3685 which leaves Cambridge on Friday at 13:00 and gets to London Kings Cross at 13:51. Sentence9: Okay and what day would you like to travel? Sentence10: I'm feeling adventurous and would love to get recommendations about places to visit in the South Sentence11: Perfect. Thank you for your help today. Sentence12: I would like to travel to london kings cross on friday. Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: That is all I need for today. thank you. Goodbye. Sentence2: I have 7 available. The first leaves at 17:32, and arrives at 18:32. Would you like me to book that for you? Sentence3: I'll be departing from Broxbourne and I'd like to go to Cambridge. Sentence4: I'm not looking to book at the moment, can I just get the train ID? Thanks! Sentence5: Okay glad I could help. Enjoy your trip. Sentence6: I'd like to find a train that leaves after 17:00 on Saturday. Sentence7: Of course! TR0811 leaves at 17:32, arrives at 18:32, with a duration of 60 minutes. The price is 14.32 pounds. May I assist you with anything else? Sentence8: Absolutely, I need departure and destination information and a time you need to arrive by. Question: Who has spoken the sentence 7? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Sure, that post code is cb39al. Can I further assist you? Sentence2: I'm interested in visiting colleges while in town, can you please recommend some? Sentence3: I can recommend clare hall and christ's college. You need phone numbers for either one? Sentence4: Okay the TR5009 leaves at 18:40. Sentence5: Yes I also need a train to stansted airport on sunday Sentence6: That sounds great, do I call to book a seat or can you help me? Sentence7: No, thanks. That's all I needed. Sentence8: I'm glad I was able to help you. Thanks for using our service have a nice day. Sentence9: Sure. Where will you be departing from, and what time? Sentence10: Please book for 6 people. Sentence11: I am leaving from Cambridge. I would like to leave sometime after 18:00. Sentence12: I would like the post code for clare hall please. Sentence13: I would be more than happy to help you book! Tickets are 8.08 pounds. How many tickets would you like me to book for your trip? Sentence14: Booking was successful, the fee is 48.48 GBP payable at the station . Reference number is 4ESBHTB0 . Is there anything else I can help you with? Question: Who has spoken the sentence 7? (A) User (B) System

A:
Answer: (B) System
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