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

[EX Q]: Sentence1: I would like a restaurant serving swedish food in the north part of town. Sentence2: I don't care. Sentence3: What is the address, phone number, and price range? Sentence4: I'm sorry but there are no Swedish serving restaurants in that area. Would you like to expand your search? Sentence5: Thank you goodbye. Sentence6: City Stop Restaurant is an expensive restaurant on the North side of town. Sentence7: The Royal Spice restaurant has a cheap price range. Sentence8: Is there a restaurant on the North side of town? Sentence9: How about indian food? Sentence10: it's address is Victoria Avenue Chesterton, and phone number is 01733 553355. Sentence11: There are several restaurants in the north part of town. Do you have a preference of price range or type of food? Sentence12: Good bye. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Sounds good. Have a good day. Sentence2: Thank you very much. I will contact them now. Sentence3: Can you give me the contact info for the nearest police station? Sentence4: Sure! The Parkside Police Station is located at Parkside, Cambridge and can be reached at 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Yes that booking was successful and your reference number is 10TULA8Z . Sentence2: Does it have free wifi? Sentence3: What day would you be arriving? Sentence4: Let's finish booking the cambridge belfry first. How many people are going to stay? Sentence5: Have a great trip. Goodbye. Sentence6: I have Pizza Hut City Centre, Ask, and Zizzi Cambridge. Which would you prefer? Sentence7: The booking was successful for 2 nights at The Cambridge Belfry with check-in on Saturday. Reference number NCCFYY9W . Would you like to book that taxi now? Sentence8: I'd like a place in the centre. Sentence9: There will be 6 people staying for two nights. Sentence10: Zizzi please, can you book me for 6 people on saturday at 16:15? Sentence11: I don't need anything else. Thank you, bye! Sentence12: Yes, it has free wifi. Would you like me to book it? Sentence13: Yes, please. I want to book if to get me to the restaurant on time. Sentence14: I found The Cambridge Belfry. It is cheap but well valued. Sentence15: You are all set the car type is a yellow honda and the contact number is 079969243265. Do you need anything else today? Sentence16: Can you tell me about any cheap priced italian restaurants in cambridge? Sentence17: Yes and I need the reference number. Also I need a taxi to arrive at the restaurant on time. I would like the number and car type please. Sentence18: We need to check in on Saturday. Sentence19: Thanks! I also need to find a cheap hotel. Sentence20: i got a variety. which is your prefered location? Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System