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 and enjoy your stay. Sentence2: Can you help me find a hotel in the North part of Cambridge? Sentence3: I have two moderately priced hotels in the north for you. The Ashley Hotel and the Lovell Lodge. Would you like me to book one? Sentence4: Great I can take care of that. How many people? How long will you be there and when will your stay start? Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : E4J0YE8W . Anything else. Sentence6: thanks very much to you! I am done now. Farewell! Sentence7: I would like to book the Ashley Hotel. Sentence8: Okay, be on the lookout for a grey honda. The contact # is 07374179224 Sentence9: There will be 7 of us arriving Sunday. We will be staying 3 nights. Sentence10: They do both have internet. Sentence11: Yes I am needing a restaurant that is the same price range as my hotel and in the same area. Sentence12: There are two; The Golden Wok which is a Chinese place, and The Nirala, with Indian cuisine. Which would you prefer? Sentence13: Does it have internet? Sentence14: I will go with The Nirala since I love Indian food. Please book it for 11:00 for the 7 of us on Sunday. Sentence15: I was able to book the room for you the reference number is HQKA3TBW . Can I help you with anything else? Sentence16: Yes, I want a taxi too. I'll need contact number and car type. It should pick me up at the hotel and arrive at restaurant by 11:00 Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I'm also looking for a restaurant in the centre of town that serves chinese food. Sentence2: I need to leave bishops stortford. Do you have a train going out? Sentence3: The Ugly Duckling sounds interesting! What's their address? Sentence4: I'd like to go to Cambridge and would be leaving on Thursday after 16:30. What is available then? Sentence5: Fantastic, have a great day! Sentence6: They are 10.10 pounds each Sentence7: I have 4 choice for you. The Ugly Duckling, Tang Chinese, HK Fusion, and the Sesame Restaurant and Bar. Does one of these sound like something you would like to try? Sentence8: No thank you. That is all. Sentence9: The Ugly Duckling is located at 12 St. Johns Street City Centre. Their postcode is cb21tw. Is there anything more I can help with? Sentence10: There's a train that leaves at 17:29 and arrives by 18:07. Does that sound okay? Sentence11: I am sure I do, where would you like to go? Sentence12: Yes, that would work. What is the price of a ticket? Sentence13: There are several Chinese restaurants in the centre of town. What price rnge are you looking for? Sentence14: I prefer something expensive. Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I was able to book a table for two at restaurant alimentum located in the south your reference number is 70K7T35N . Is there anything else I can help with? Sentence2: I have two restaurants in the south. They serve italian or modern european. Would you like information on either of those? Sentence3: Is there anything else I can help you with today? Sentence4: Thank you. I need it for 4 people at 12:15 on Saturday Sentence5: Sorry, not sure I follow. Can you recommend a south african food restaurant? Thanks. Sentence6: Thank you for contacting us and have a nice day. Sentence7: No that will be all thank you. Sentence8: Modern European will be fine. Can you reserve a table at one please? Sentence9: Unfortunately there are no restaurants that serve South African food but I can look for other types of cuisines if you want. Sentence10: I need a moderately priced restaurant in the south of Cambridge Sentence11: Yes, I will book you a table now. Sentence12: No, I was hoping to eat some South African food. Question: Who has spoken the sentence 8? (A) User (B) System


Output: Answer: (A) User