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

Sentence1: Alright. I booked your train leaving Cambridge at 19:34 and arriving in Peterborough at 20:24. The reference number is A8T38EJZ . Sentence2: Cityroomz is a moderately priced hotel with internet. Would that work for you? Sentence3: What day are you traveling, and to which station? Sentence4: Thanks, have a good day. Sentence5: You, too. Goodbye. Sentence6: Okay. Call us back if you need me to book anything for you. Sentence7: Yes that will work. Can I get the hotel's phone number? Sentence8: We have 30 such entries. Do you have a time you'd like to leave by? Sentence9: Sure thing, their number is 01223304050. Is there anything else I can help you with today? Sentence10: Any time is fine as long as I can book for four people. I also need the reference number, please. Sentence11: I'll be traveling on wednesday, and I will be go to peterborough. Sentence12: There are 9 different hotels that have free wifi that aren't guesthouses, do you have a price range in mind? Sentence13: No particular price range but I would like it to be in the centre. Sentence14: Thanks. I'm also looking for a hotel (not a guesthouse) with free wifi. Sentence15: No, that will be all, thank you for your help! Sentence16: I need a train departing from cambridge and arriving by 20:45. Question: Who has spoken the sentence 14? (A) User (B) System
Answer: (A) User

Sentence1: I would prefer the north please. Sentence2: I have found 13 of them. Can you please be more specific about what you would like? Sentence3: I'd like to find a college to visit in the center of town. Sentence4: No thank you that will be all Sentence5: I would suggest the acorn guest house it is a great place to stay. Sentence6: That will be fine. I'll need to book for Saturday, 3 nights, and 1 person. Sentence7: You're all set! Your reference number is 41BK9PC7 . Sentence8: moderate price range thank you Sentence9: There are 32 hotels that offer free internet, is there a price range or area you prefer? Sentence10: Actually one more thin, I need a taxi from the hotel to the restaurant, I want to leave at 09:45. Sentence11: Thank you! Can you also help me find a place to stay with free wifi? Sentence12: I narrowed it down to 17. What part of town would you prefer and do you want free parking? Sentence13: No that will be it for today. Sentence14: I recommend Emmanuel college. Their address is saint andrew's street Sentence15: Okay, I booked a yellow honda and their contact number is 07225232221. Do you need help with anything else? Sentence16: You can choose one for me and give me the address. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: Thank you. We'll be happy to help you with your future travel needs. Sentence2: How many people will be staying? Also, when would you like to check in? Sentence3: No thank you. Do they have free wifi? Sentence4: Greetings! I'm looking for the Worth House, I heard it's in Cambridge. Sentence5: Sure, just me. Monday at 12:00 is fine. Sentence6: Just Monday night. Sentence7: The Worth house is in the North. Sentence8: Yes, I would like to book the hotel now. Sentence9: Yes it is in the North and is a cheap 4 star guesthouse. Would you like to make a reservation? Sentence10: What is the price range of that hotel? Sentence11: Worth House is in the cheap price range. Would you like any more information? Sentence12: Nope, that's all. Thanks. Bye! Sentence13: Sure, anything else I can do for you. Sentence14: How many nights will you be staying? Sentence15: What area is the hotel in? Sentence16: Yes, they have free wifi. Would you like to book the hotel now? Question: Who has spoken the sentence 12? (A) User (B) System

Answer: (A) User