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: How about the Gonville Hotel located in the centre area of town? Sentence2: Between $100-$300 per night. Sentence3: I have several available. What is your price range? Sentence4: Ok, I have several hotels. Any particular location? Sentence5: Location doesn't really matter as long as there's free parking available. Sentence6: What is their postcode? Sentence7: I need a place to stay with free wifi. Sentence8: Their postcode is cb11Iy, address gonville place, phone 0122336661 they have wifi and free parking too. Would you like me to book this for you? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: Answer: (A) User

Question: 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: Answer: (A) User

Question: Sentence1: TR0768 leaves at 19:40, arrives by 20:08. The duration is 28 minutes. Is there anything else? Sentence2: I'd like to book the Alexander B and B for 6 people, 5 nights, and starts on Thursday. Can I have a reference number, please? Sentence3: I'm also looking for a train on tuesday and leaving after 19:30 Sentence4: Yes, alexander bed and breakfast is a guesthouse located in the centre. It is in the cheap price range. Is there anything else you need to know? Sentence5: TR0768 leaves at 19:40. Does that work for you? Sentence6: I can look into that for you - where would you like to go? Sentence7: Where I'd like to go is probably different than where I have to go, but I plan on going to stansted airport. Sentence8: No. I am all set. Sentence9: What is the travel time? Sentence10: Have a great day then! Sentence11: i'm looking for a hotel called alexander bed and breakfast Sentence12: Done! Your reference number is 45NR6JNN . Do you need help with anything else? Question: Who has spoken the sentence 3? (A) User (B) System

Answer:
Answer: (B) System