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

Ex 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

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thank you! That is all I need. Sentence2: You are very welcome! Sentence3: Yes, I'm calling regarding Addenbrookes Hospital. What is the address please? Sentence4: The Addenbrookes Hospital is located at Hills Rd, Cambridge Postcode CB20QQ. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I would like it at 15:00 on the same day. Sentence2: I need to catch a train in London King's Cross to ride into Cambridge. Sentence3: Very well, I've booked you at Restaurant One Seven for 4 people at 15:00 on Monday. Would you like the booking reference number? Sentence4: Sorry about that, the reference number is 5F63AFCU Sentence5: Thank you for your time. Sentence6: I have booked your train. London King's Cross to Cambridge at 13:17 on Monday. Sentence7: I'm glad I could help you today. Have a great trip. Goodbye. Sentence8: Thank you! That sounds excellent! I am also craving British food. Are there any moderately priced British restaurants there? Sentence9: Not really, I'll just need to book it for the same day for 4 people. Sentence10: What time would you like the reservation? Sentence11: I want to leave on Monday after 12:45. Sentence12: I do apologize, train TR3194 would leave at 13:17, NOT 14:12. The travel time would be 51 minutes. Would you like me to book this train for you? Sentence13: I can help with that. What day and time were you looking to depart? Sentence14: There is a train available on 14:12. Sentence15: Yes can you please book it. Sentence16: Yes of course I want the reference number! Why wouldn't I! Sentence17: We have four in the centre area and one int he west, any preferences? Sentence18: That is fine. Can you provide the arrival time, train ID, and travel time. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:

Answer: (B) System