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

Input: Consider Input: Sentence1: How about an expensive restaurant that serves British food? Sentence2: Cineworld sounds perfect. What's their postal code? Sentence3: The postal code is cb17dy. Can I get you anything else? Sentence4: There are six expensive British restaurants in Cambridge. Do you have a preferred section of town? Sentence5: Have a good time! Sentence6: It's all new to me. Could you recommend one? Sentence7: Sure thing, we have the cineworld cinema located at Cambridge leisure park, Clifton way. Sentence8: Absolutely, I recommend the Cambridge Chop House at 1 Kings Parade in the centre of town. This is a highly recommended British experience by locals and tourists a-like. Sentence9: No, that'll be all. Thank you for all of your help today. Sentence10: I am sorry but there are no restaurants matching your requests. Would you like me to search for a different food type? Sentence11: Great. Could you also help me find a cinema in the south of town? Sentence12: Hello, I am trying to locate a restaurant that serves northern European food, and I would prefer a more elegant setting. Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: There are more than one hundred entries that match your requirements. What type of food do you prefer? Sentence2: I'm positive. There are however three hotels that have four stars that have free wifi, if you would like to view those options. Sentence3: A 4 star rating is fine, what do you have for that? Sentence4: The only French restaurant that fits your criteria is called Cote. They do not have any availability for Wednesday at 12:30. Sentence5: My pleasure. Have a great day! Sentence6: Wonderful! That's all I need. Thank you very much for your help! Sentence7: I prefer French Cuisine, can you find somewhere that will take reservations for 3 people at 12:30 on wednesday? Sentence8: Are you sure? I would prefer a 5 star hotel with free wifi. Sentence9: I have two in the west area and one in the centre area. Do you have a preference? Sentence10: Thanks I also need to find a hotel with a 5 star rating. Sentence11: Are there any expensive places to eat in the centre? Sentence12: That was a success. Your reference number is 2GY5ULLL . Sentence13: Can you try for 11:30 and give me a reference number please. Sentence14: The booking for the University Arms Hotel was successful, and your reference number is 414HUS87 . Sentence15: Unfortunately, I do not show any 5 star hotels. Would you like to try a different rating? Sentence16: The one in the centre area is fine. Can you please book it for 3 people, starting on Wednesday for 4 nights and can I please have the reference number? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: You have been super helpful. thanks that's all i need. Sentence2: Please just give me the address, phone number, and area. Sentence3: I have guesthouses in all parts of the city from cheap to moderately priced. Do you have more preferences? Sentence4: Unfortunately I cannot find any multiple sports place in the center. Do you want to try museum maybe? Sentence5: No, I'm also looking for some attractions in town. Any multiple sports attractions located around the centre? Sentence6: you have a wonderful day! Sentence7: Their phone number is 01223446100 and postcode is cb11ly. Do you need anything else? Sentence8: I'd like to find a guesthouse with free parking. Sentence9: Finches bed and breakfast is a guesthouse in the west, it's in the cheap price range with 4 stars. Would you like to reserve a room? Sentence10: I found one. There is the parkside pool in the center. Is there anything else I can help? Sentence11: I can certainly provide you with that. Finches is located in the west at 144 Thornton Road. Their phone number is 01223276653. Can I book you a room? Sentence12: Yes please, I'd like it to be in the cheap price range and I'd also like to stay at a 4 star location. Sentence13: Yes. Can you please give me their phone number and postcode? Sentence14: well, can I try swimming pool maybe? I'm really sporty! Question: Who has spoken the sentence 2? (A) User (B) System


Output: Answer: (A) User