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: I don't care when I arrive, but I need to leave after 10:00. Sentence2: Perfect, thanks so much for your help. Sentence3: Yes. Wednesday please. Sentence4: I have successfully make a booking for 5 on that train. Sentence5: Sounds great. Can I get their postcode please? Sentence6: Is there anything else I can assist you with today? Sentence7: Can you find me a train from Stansted Airport? Sentence8: Alright, thanks for contacting Cambridge TownInfo centre! Have a good day. Sentence9: TR0467 leaves the airport at 10:24. Would you like tickets for that train? Sentence10: No that is everything. Have a good day. Sentence11: Queen's college is an excellent choice. Sentence12: The postcode for Queen's College is cb39et. And the reference number for your train (booked earlier) is WMUC700A . Sentence13: Can I have the reference number please? I'm also looking for some places to go, maybe a college in the west. Sentence14: Not a problem. Any day in particular? Sentence15: There are plenty of options. Where will you be arriving and do you have a time preference? Sentence16: Yes, for five please. Question: Who has spoken the sentence 14? (A) User (B) System

Output: Answer: (A) User


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: There is a train leaving at 11:21 would you like me to book this? Sentence2: excellent, have a great day! Sentence3: I would like to go to Stevenage and leave after 11:00. Sentence4: My pleasure. What is your destination and do you have any time constraints? Sentence5: Please do. I need 8 tickets Sentence6: Yes, the area of the city and the address. Sentence7: Huntingdon Marriott Hotel is in the West and the address is kingfisher way, hinchinbrook business park, huntingdon. Sentence8: Yes, its a four star that is a little pricey. Would you like the phone number or address? Sentence9: I've made those reservations and your reference number is W29ZP27K . Sentence10: Can I be of further assistance today? Sentence11: Can you help me find information about a hotel called huntingdon marriott hotel? Sentence12: That was all that I needed today thanks Sentence13: thank you for all of your help Sentence14: Thanks. I also need a train departing from cambridge on thursday. Question: Who has spoken the sentence 9? (A) User (B) System


Output: Answer: (B) System