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

Ex Input:
Sentence1: Great. I booked six tickets on TR4095 departing at 11:35 and arriving in cambridge at 11:52. Your confirmation number is W6PWPYOP . Sentence2: I need to book a train for Monday from Ely to Cambridge to arrive by 14:00 for 6 people. Sentence3: What time would you like to leave by? Sentence4: That is all I needed, good day to you. Sentence5: Anytime as long as i arrive by 14:00. Can you provide me with a reference number after booking? Sentence6: Have a great day! Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I don't have any guesthouses listed in that price range. Would you like something in the moderate price range possibly? Sentence2: Will you be departing from cambridge? Sentence3: Sure I have a train arriving at 14:10 on a Tuesday. Would you like to book a seat? Sentence4: Okay, I made you a reservation at the Acorn Guest House. Check in is Friday for a party of 5 and your reference is CGDK1YT1 . Will that be all today? Sentence5: I just need to know how long the travel time it. Sentence6: Great. That is all. Sentence7: Ok! Have a great day! Sentence8: Sure check moderate for me. Sentence9: TR0743 is leaving cambridge at 13:21 and the cost is 12.80 pounds, how many tickets will you need? Sentence10: Might I recommend the Acorn Guest House? It's a moderately priced, 4-star guesthouse in the north area. Sentence11: Yes please. May I have the departure time, train id, and price? Sentence12: Yes, I will be departing from Cambridge. I also need to leave on Tuesday. Sentence13: I need to find a train that goes to stevenage and arrives by 17:30. Sentence14: I would also like to find an expensive guesthouse. Sentence15: The travel time is 49 minutes. Sentence16: Sounds great, can you please book me for 5 people and 4 nights starting on friday? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I will be travelling on Wednesday. Sentence2: I'm looking for a hotel room. Can you help me find one? Sentence3: What area would you like to stay in? Sentence4: Well the Autumn house is my recommendation, cheap price four stars and located in the east. Would you care for more info or a booking? Sentence5: Yes, there are nine hotels you can stay at what area and price range do you want? Sentence6: Yes, I would like to book a train from cambridge to stansted airport please. Sentence7: i can help you with that. what day are you traveling? Sentence8: I was able to book the room, your reference number is 2BU7S7NI . Would you like any more assistance today? Sentence9: Booking was successful, the total fee is 70.7 GBP payable at the station .Reference number is : 3XBEBG2W . Anything else? Sentence10: Yes, please. I need 7 tickets. Sentence11: Yes. Book for 7 people for 2 nights starting on Wednesday. Sentence12: The area does not matter. Sentence13: I'd like to arrive by 14:15 and would like to book on the same day as the hotel booking, please. Sentence14: I would prefer a guesthouse in the cheap price range. Sentence15: Thank you. That is all that I need. Sentence16: i have train tr7996 that leaves at 13:40 and arrives by 14:08. would you like any tickets? Sentence17: What time would you like to leave and/or arrive on Wednesday? Sentence18: Have a nice day, goodbye. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System