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

[EX Q]: Sentence1: Okay, great. Have a safe trip. Goodbye. Sentence2: Yes please. I need it booked for 1 person for 2 nights starting tuesday. Can i get a reference number? Sentence3: I have found the allenbell guesthouse. It meets all of your criteria, is in the cheap price range, and provides internet and parking. Would you like me to book it? Sentence4: Thank you, that is it for today. Goodbye. Sentence5: The reference number for your booking is KEBFTR7I . Can I do anything else for you? Sentence6: I need a place with rated 4 stars in the east. Can you help me find one that like a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: 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 A]: Answer: (B) System

[EX Q]: Sentence1: Thanks. That's all I needed. Goodbye. Sentence2: you are very welcome Sentence3: I was injured and need a hospital nearby. Sentence4: Addensbrookes Hospital will be the closest. The address is Hills Rd, Cambridge. Postcode is cb20qq. Telephone is 01223245151. Will this be okay? Sentence5: Ok, if there's anything else you think of please contact the help desk. Thank you and have a great day. Sentence6: That is perfect. Thank you for your help. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System