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: I have your taxi booked. Look for a blue volkswagen, contact number 07655267463. Is there anything else I can help you with? Sentence2: I need to book a place to stay with a star of 4. I don't need free parking. Sentence3: Can you please provide me with the address, telephone number and the cost of admission. Sentence4: Thank you. Enjoy your stay Sentence5: I now need a taxi to get to the church from the hotel. I would like to leave the hotel by 15:45. Can you book that for me? Sentence6: I don't care about location, just would like a moderate price with 4 stars please. Sentence7: We have 44 attractions in the centre of town Broughton House Gallery is a museum we have available. Sentence8: We have 11 in the moderate range. They are all a guesthouse accommodation. Would you like one of these? Sentence9: I need one with free wi-fi. Sentence10: I have you booked. The reference number is WPGQ4ADJ . Sentence11: After that I'm also going to need the reference number. Sentence12: OK, now can you tell me about some of the attractions in the center of town? Sentence13: I would also need to book it for 4 nights. Sentence14: No, that is all. Thanks so much. Bye. Sentence15: One person, and I'd like to arrive on Tuesday. Sentence16: We have over 20 fine hotels. Do you have any preferences of cost or location? Sentence17: How long do you want to stay? Sentence18: Can i book one on tuesday? Sentence19: OK, let me see what I can do. Sentence20: How about All Saint's Church at 01223452587 in the centre? It's free. Sentence21: before I look for that, could you let me know how many people are staying and what day you'd like to arrive? Sentence22: I have two: a and b guesthouse in the east and avalon in the north. Would one of these work for you? Question: Who has spoken the sentence 18? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I am looking for a guesthouse to stay at that has a 4 star rating. Can you help me? Sentence2: May I have the reference number for that booking? Sentence3: Yes, can you book it please? Sentence4: That'll aboutdo it, thanks a bunch. Sentence5: I will need picked up from the hotel and go to the restaurant. Sentence6: La Margherita fits those specifications. Would you like to book a table? Sentence7: No. But I would like a cheap guesthouse. Sentence8: You are all booked with a taxi. Sentence9: I would like to check in on Thursday and stay for 3 nights. I need to book a room for 6 people. Sentence10: I have several options for you. Is there a particular area you're looking for? Sentence11: Your reference number is 4NG5RGOI . Do you need anything else? Sentence12: Great. I also will need a taxi. Sentence13: I was able to book that for you. Here is your reference number 5JJ8331T . Sentence14: Yes, I need a table for 6 on Thursday. We'd like it at 14:15, please Sentence15: Thank you may I have the contact number and car type please. Sentence16: Booked car type : red lexus Contact number : 07350632245 Sentence17: Yes please, can you help me me find an Italian restaurant in the west that is cheap? Sentence18: Where would you like to be picked up and drop off? Sentence19: I would be happy to! Which day, how many people, and how many days? Sentence20: You are welcome, have a great night. Sentence21: Would you like to try Alexander Bed and Breakfast? Sentence22: I've booked it! You'll be at alexander b&b starting Thursday for 6 people for 3 nights. Is there anything else I can help you with? Question: Who has spoken the sentence 12? (A) User (B) System
[A]:
Answer: (A) User