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

Ex Input:
Sentence1: I'd like to find a train going to Cambridge that leaves on Sunday. Sentence2: Okay. It's a 3-star guesthouse in the north area with no internet or parking. Is there more you would like to hear? Sentence3: I would be leaving from Peterborough. I need to arrive in Cambridge by 19:30 though. Sentence4: My departure time is flexible. Sentence5: The earliest train is TR3782 which leaves at 05:19, would you like me to book some tickets for you? Sentence6: That sounds great. Can I just get the postcode please? Sentence7: No, I believe that is everything. Thank you. Sentence8: I am also looking for a hotel called alpha-milton guest house. Sentence9: Ok, and where are you departing from? Sentence10: No, that won't be necessary. I would like to get the price, though. Sentence11: Not a problem, please contact us again if you need any further assistance. Sentence12: Of course. The price for the train running from peterborough to cambridge on Sunday is 13.20 pounds. Is there anything else I can assist you with? Sentence13: The post code of the alpha-milton guest house is cb41xa. Is there anything else I can assist you with today? Sentence14: Okay, there are a few trains available. What time would you like to depart? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Enjoy your travels! Let us know if we can be of any further assistance. Sentence2: TR8143 departs at 14:11 and arrives in Cambridge by 14:58, does this suit your needs? Sentence3: I need a train leaving from kings lynn. Sentence4: Yes, I'd like to travel on Wednesday, and I'd like to arrive in Cambridge no later than 15:30. Sentence5: There are no nightclubs in the west. Would you like to try another area? Sentence6: There are 133 trains leaving Kings Lynn, do you have a particular day you are traveling? Sentence7: They have free entrance. Their postcode is cb30ds. Sentence8: Could you look up a college instead then? Sentence9: I'm glad I could help. Sentence10: Churchill college is located in the west part of town. Sentence11: Yes it does. Can you verify the total travel time and price? Sentence12: Thank you goodbye. Sentence13: Thanks a lot, that's all. Sentence14: Sure - the travel time is 47 minutes, and the fee is 9.80GBP per ticket. Sentence15: I also need a nightclub in the west. Sentence16: Could you get me the postcode and entrance fee for there? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Which day do you require the train? Sentence2: Unfortunately the booking was unsuccessful for the hotel Sentence3: No, that's it. Thanks! Sentence4: Ashley hotel is in the north in the moderate price range with a 2 star rating. Free parking and wifi also. Does this suit you to book your stay? Sentence5: Unfortunately there are no hotels available that fit that criteria. Sentence6: Alright, thank you and goodbye! Sentence7: Yes, what is the reference number? I also need a train that departs from Cambridge by 12:30 can you assist with that? Sentence8: Does it have free wifi? Is it in the north? Sentence9: What can you recommend? And please I need free wifi. Sentence10: Wednesday. I will need 1 ticket. Sentence11: I have booked Train TR9635 departing at 10:36 and arriving at 11:55. Reference# UN7QY0L4 . Will you be needing anything else today? Sentence12: Can you help me find a place to stay? I am looking for an expensive hotel, but it doesn't need free parking. Sentence13: There are 5 expensive hotels with free parking. I recommend The Gonville Hotel which has a 3 star rating. Sentence14: It does have free wifi, but it is located in the centre, there are no expensive hotels in the north area. Sentence15: Would you prefer a hotel or a guesthouse? Sentence16: Ok you are booked for 2 nights starting on Monday at the Ashley (Ref# MIFN5IXJ). What else can I help you with? Sentence17: Check for one in the moderate price range with that criteria. Book something for 1 person for 4 nights starting on monday. Sentence18: Yes I also need to find a train out of Cambridge that arrives by 12:30 in norwich. Sentence19: I am looking for a hotel please. Sentence20: Will you please try to book the hotel for 2 nights starting from Monday? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System