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

Input: Consider Input: Sentence1: What day would you like to travel? Sentence2: Yes, go ahead and book either of those for 2 people and 3 nights beginning on Tuesday. Sentence3: Can you also recommend a three star hotel that has free wifi? Sentence4: Your booking at The Gonville coming in on Tuesday for 4 days 3 nights is confirmed for a party of 2. Your reference number is : 5GCUETMP . Anything else today? Sentence5: I need a train leaving from broxbourne. Sentence6: There are two. The Gonville Hotel and The Lensfield. Both also have free parking. Would you like me to book one for you? Sentence7: Booking was successful, the total fee is 17.89 GBP payable at the station .Reference number is : X1XG5K91 . Sentence8: I am happy to help! Goodbye, I hope your trip is lovely! Sentence9: Can you book it for me? Sentence10: No. That's it. Thank you for your help. Sentence11: I would recommend TR6788 which leaves Broxbourne at 19:32 and arrives in Cambridge at 20:32. Sentence12: I would like to travel on a Tuesday from Broxbourne to Cambridge after 19:15. Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: If you can go ahead and recommend one and provide me with the phone number and address please. Thanks so much. Sentence2: I would like to book a train to Leicester that leaves on Saturday. Sentence3: That's all for today. Thank you for your help! Sentence4: Would you like to book a seat on TR1832? It will leave at 15:21 and arrive at 17:06, 105 minutes later. It will cost 30.24 pounds. Sentence5: sure, there are several in that area. including art galleries and history museums. Sentence6: Yes, do you have a certain time you'd like to leave or arrive by? Sentence7: broughton house gallery is located at 98 King Street and their phone number is 01223314960. Do you need anything else? Sentence8: Thank you for calling today. Sentence9: I'd like to leave after 15:15 please. Sentence10: In the centre, please Sentence11: Booking was successful, the total fee is 30.24 GBP payable at the station. Your reference number is VHWYUF80 Sentence12: What area are you interested in? Sentence13: i also want to check out some museums while i'm in town. Sentence14: Yes, can you please book that for me and send me a reference number. Thank you Question: Who has spoken the sentence 12? (A) User (B) System

Output: Answer: (A) User


Input: Consider 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


Output: Answer: (A) User