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: Thank you, can I get a taxi as well? I need to leave the hotel by 16:45 and go the restaurant. Sentence2: They are located Cambridge Leisure Park Clifton Way Cherry Hinton, cb17dy. Phone: 01223412430. Sentence3: Yes of course. It is rated 4 stars, is located in the west and is in the cheap price range. Would you like me to check availability for you? Sentence4: I actually dont need a reservation. just the address, postcode and phone number please. Sentence5: There are five great restaurants that match your criteria. I highly recommend cafe uno located in the centre of town. Sentence6: Hi, do you know of a hotel called finches bed and breakfast? Sentence7: Sure, I'll get right to that. First, can I ask the day you'd like to eat there? Also, what time and how many people? Sentence8: Okay, I've booked you a taxi leaving your hotel at 16:45. Look for a blue toyota, and if you need to contact them their number is 07524587523. Sentence9: The restaurant should serve italian food and should be in the expensive price range. The restaurant should be in the south Sentence10: My favorite restaurant would fit your criteria. It's called Frankie and Bennys. Would you like me to make you reservations? Sentence11: Sure. I'd need a room for 8 people, 5 nights starting on thursday. Sentence12: You're welcome! Have a wonderful day. Sentence13: Excellent, that's all the information I need, thank you for your help! Sentence14: Yes can you please make me a reservation? Sentence15: Booking was successful. Reference number is : 6AYRAXKH . Do you need anything else? Sentence16: Yes I am looking for a restaurant in the expensive price range that serves Italian food. Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Hi, I'm looking for a 1 star place to stay with free wifi. Sentence2: Well, I'd like to book one. I don't think it matters which one. Sentence3: You are welcome, goodbye. Sentence4: There are 5 guesthouses with 4 star ratings in Cambridge with moderate to cheap price ranges. Would you like more information? Sentence5: Alright. I wanted a 1 star, but I guess I can listen to the 2 star options. Sentence6: Okay, how many people will be in your party? Sentence7: Hmm. What do you what about 4 star hotels? Sentence8: No, that is all. Thank you. Bye. Sentence9: What dates would you like to book the room for? Sentence10: I have 2 on the north side that are in the moderate price range and 1 on the east side in the expensive range. Would you like to book one. Sentence11: I need it for two nights starting on Saturday. Sentence12: It would be for 7 people. Sentence13: I'm sorry there are no 1 star hotels with internet, would you like me to search on 2 stars, we have a few hotels available. Sentence14: I have booked you at the A and B Guest House at 124 tenison road. The reference number is 0J08KUGQ . Can I help you with anything else? Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: do i book only one ticket Sentence2: Yes, please confirm how many tickets you would like me to book, just the one? Sentence3: Yes at 11 am , can you bnook the the one close to that time Sentence4: Okay, well I also need a train departing for Cambridge on Wednesday. Sentence5: I am looking specifically for Saint John's College. Sentence6: How about the 11:59 that will arrive by 13:27? It is 16.60 pounds. Sentence7: I need just a little more information to help. I think all places in Cambridge are special, and I would like to be able to narrow it down for you. Sentence8: That's all I needed. Sentence9: No, please book for 8 people and can I get the booking reference number? Sentence10: Booking was successful, the total fee is 132.8 GBP payable at the station . Reference number is : 98NW4G1V . Anything else? Sentence11: I'm looking for a special place, can you help? Sentence12: I have several trains headed to Cambridge on Wednesday. Where will you be departing from? Sentence13: There are 10 trains running that route on Wednesday. Do you have a particular departure time in mind? Sentence14: sorry i dont have that in our list. is there something else i can do for you? Sentence15: The train will be leaving Cambridge and going to London Liverpool Street. Sentence16: That will work can you book that for me. Sentence17: Wonderful, have a great day! Sentence18: Can you book it for me and get a reference number ? Question: Who has spoken the sentence 12? (A) User (B) System


Output: Answer: (A) User