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

[Q]: Sentence1: I cannot find any restaurants serving halal food. Do you have any other preferences? Sentence2: How about indian food? Sentence3: Their address is 71 Castle Street City Centre, their phone number is 01223 366668. Sentence4: Is Cocum located in the east part of town? Sentence5: No, the Cocum is located on the West part of town. Would you like me to find an Indian restaurant on the east part of town? Sentence6: I have 4 Indian restaurants showing for the east part of town. They are Curry Prince, Pipasha Resteraunt, Rajmahal, and Sitar Tandoori. Sentence7: Correct Sentence8: Hello, I am looking for a restaurant that serves halal food. Sentence9: The Cocum serves Indian food. Sentence10: What is their address and phone number? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: Not in that criteria, perhaps another area or price range? Sentence2: I'm booking you a table for 5 at 11:00 Saturday at Charlie Chan. What name should I place this under? Sentence3: I want to eat chinese food in the centre. Sentence4: Yes, please try J Restaurant. Asian Oriental food sounds good. Sentence5: I was able to book you into the J restaurant and your reference number is 87G7FWZM . Sentence6: Thank you for your help! That will be all. Good Bye. Sentence7: Booking was unsuccessful. Would you like to find another restaurant? Sentence8: I don't know what I was thinking earlier, we actually have a lot of cheap restaurants in the centre. J Restaurant serves Asian Oriental. Should we try that? Sentence9: How about Charlie Chan? It is a cheap chinese restaurant in the centre. Sentence10: You're welcome, have a great day! Sentence11: Are there any in the same area and price range but not Chinese? Sentence12: Sure. I would like to book a table for 5 people at 11:00 on Saturday. Sentence13: Are there any other cheap restaurants in the area? Sentence14: Book it for XXXX, can I please get a reference number? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Yes, I am leaving from Cambridge and I will need to arrive by 09:45 please Sentence2: I think I need it to be in the centre. I probably prefer a hotel if possible. Sentence3: I have 38 trains going to Peterborough on Thursday. Will you be leaving from Cambridge and what time would you like to leave and arrive by? Sentence4: There is one available. The university arms hotel. It is expensive, is that okay? Sentence5: Sure. I need a room for 4 people and 4 nights starting from thursday. Sentence6: I can help you with that. Would you prefer a guest house or hotel? Sentence7: Thanks. Now that the hotel is set, I need to book a train for Thursday going to Peterborough. Sentence8: ok am booking for you one and send you the requirements Sentence9: I'm looking for a place to stay that has 4 stars and includes free parking. Sentence10: Your reservation at the university arms hotel for 5 days 4 nights for 4 people was successful. Your Reference number is : BW6K6IAR . Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System