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

Ex Input:
Sentence1: There are 8 trains. The latest one that would get you there on time leaves at 8:48 and arrives 9:38. Would you like me to book a ticket for you? Sentence2: Where are you traveling to and from? Sentence3: Thank you very much for all of your help. Sentence4: I am looking for a restaurant called Galleria. Sentence5: Would it be possible to book the same restaurant at 15:45? Sentence6: The travel time is 50 minutes and it costs 13.20 pounds. Sentence7: Okay you are welcome! Thank you for calling. Sentence8: I have made the reservation for 3 for Sunday at 15:45 at Galleria. Your reference number is DUY4H6WY . Is there anything else I can do for you? Sentence9: I've found Galleria, it is located at 33 Bridge Street in town centre. Would you like to make a reservation? Sentence10: Departure is Peterborough and arrival is Cambridge. Sentence11: Yes. I would also like to take a train on Sunday arriving by 09:45. Can you help me with that? Sentence12: Yes! I'd like a reservation for this Sunday at 16:45 for three people. Sentence13: Please give me travel time and the price, please. Sentence14: I'm sorry, but that time and day is unavailable. Would you like to try another day and/or time? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Tuesday, going to Cambridge please. Sentence2: The TR8685 arrives by 5:52 and costs 4.40 pounds. Can I book some seats for you? Sentence3: You're welcome. Have a great day. Goodbye. Sentence4: The Broughton House Gallery is located at 98 King St and has free admission. Sentence5: The train should leave on tuesday and should go to cambridge and arrive by 10:15 Sentence6: Thank you, that sounds fine. I see you have included the address and the entrance fee. That's all I need. Thanks very much. Sentence7: Great thank you I also am looking for some place to go in the centre of town. Sentence8: Please for 8 people. Sentence9: I'm looking for a train that arrives by 10:15 and departs from Ely Sentence10: Your booking was successful. The total fee is 35.2 GBP pounds payable at the station and your reservation number is 1OBF5WF2 Sentence11: No problem! What day would you like to leave? Sentence12: Any departure time in mind? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: How does the alexander bed and breakfast sound? It's in the city centre. It has free internet and free parking. Sentence2: Okay, look for a yellow honda contact #07601477512 Anything else I can do for you? Sentence3: Thank you! Can you also help me find a cheap place to stay while I am there? Sentence4: No problem, do you want to stay in the centre as well? Sentence5: There are 5 nightclubs. Club Salsa is my favorite at 1 station road. Sentence6: You are welcome. Goodbye. Sentence7: Hello! I'm staying in Cambridge for the first time and I'm looking for places to go that are near me. Can you help me find multiple sports? Sentence8: It sounds good! Can you book for 5 people and 5 nights starting from Saturday? Sentence9: Yes, I need a taxi from the hotel to the nightclub, I want ot leave the hotel by 13:30 Sentence10: Bummer, are there any nightclubs in the city centre instead? Sentence11: I have booked it, and the reference number is 4ARUOMK7 . Anything else I can do for you? Sentence12: No, but I'd like a guesthouse of the 4 star range that offers free WiFi. Sentence13: No that's alls I needed. Sentence14: There is one multiple sports attraction in Cambridge and it is in the east area: The cherry hinton village centre. Sentence15: It's 5 pounds to enter. Their phone number is 07782218745 and the postcode is cb12jb. Can I help with anything else? Sentence16: Great can I get the phone number, postcode, and entrance fee please? Question: Who has spoken the sentence 14? (A) User (B) System

Ex Output:
Answer: (A) User