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

Example 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
Example Output: Answer: (B) System

Example Input: Sentence1: Yes, and their phone number is 01223363682. Is there anything else I can help you with? Sentence2: Do they have free parking, and what is their phone number? Sentence3: Yes I can confirm that Warkworth house has internet, can I help with anything else? Sentence4: Can you tell me if warkworth house hotel has wifi. Sentence5: Sure. Glad to help. Sentence6: No, that's all I need, thank you. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Can you help me find a restaurant called "Cotto"? Sentence2: Thanks, I also need a train that leaves after 20:15 on Wednesday. Sentence3: It's all booked, reference is 824HFY0Q Sentence4: Yes, and also the postcode. Sentence5: Train ID TR8533 is available to leave at 21:50 and arrive by 22:07. Would you like to book this now? Sentence6: Thank you. Have a great day. Goodbye Sentence7: Yes. Cotto is located at 183 East Road City. Would you like the phone number? Sentence8: Before I book, I just want to confirm you only need one ticket? Sentence9: Great that's all I need, thank you. Sentence10: There are 546 trains leaving after 20:15. Where would you like to leave from and where do you want to go? Sentence11: Yes, that's right. It's just for me. Sentence12: I am leaving from cambridge and heading to ely. Sentence13: Yes, please. Thank you. Sentence14: Phone number is 01223302010. Postcode is cb11bg. Question: Who has spoken the sentence 12? (A) User (B) System
Example Output:
Answer: (A) User