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: You're welcome. Goodbye! Sentence2: Sure! Can you book a table for 8 people at 17:30 on Friday? Sentence3: Thank you. That's all I need right now. Bye. Sentence4: No. Choose one for me. Sentence5: There are a total of 14 different expensive Indian restaurants located throughout the city. Is there a particular area of town you would like to eat in? Sentence6: I'd like you to tell me about great Indian restaurants in the area. It's okay if they are expensive. Sentence7: Curry garden has good reviews, would you like to book there? Sentence8: Sure. Your reference number is QLMRQ3H2 . Anything else? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Can you give me information on a restaurant called graffiti? Sentence2: I am sorry they do not have a table at that time, perhaps another restaurant? Sentence3: At 14:00 please. Sentence4: Enjoy the rest fo your day Sentence5: Graffiti is a British restaurant on Hotel Felix Whitehouse Lane Huntingdon Road. Would you like more information or a reservation? Sentence6: If Travellers Rest is in the same area as Grafitti then that will be all. Thank you for your help! Sentence7: I would like to book a table for 2 for Wednesday, please. Sentence8: Are there any other restaurants in that area in the same price range? Sentence9: I can absolutely do that for you, what time would you like me to make that reservation for? Sentence10: I booked Travellers Rest for you. It is also an expensive British restaurant. Reference number 1JYRFRT0 . Will that be all for today? Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System