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: I am interested in finding a great nightclub to take a friend to. Sentence2: I've booked a table for 5 on Monday at 17:30. The reference number is MUBJSMLX . Is there anything else I can help you with? Sentence3: I have found 4 restaurants. Do you have a preference of area? If not that Kohinoor in the centre is very popular. Sentence4: Great that was all that I needed today, thank you. Sentence5: Cambridge has lots of great options. Club Salsa is quite popular and is in the centre. Sentence6: I have arranged for a black Honda to have you arrive at Kohinoor by 17:30. The contact number for the Taxi is 07997403672. Is there something else I can assist with? Sentence7: That sounds great. How much is the entrance fee? Sentence8: Perfect, can you also help me find a place to eat that is cheap and serves Indian food? We are looking to accommodate 5 people at 17:30 on Monday. Sentence9: Just book it on Monday please, for 5 at 17:30. Sentence10: Perhaps their phone number? Sentence11: The phone number is 07782218745. Sentence12: The Club Salsa entry fee is 5 pounds. Can I help with anything else? Sentence13: You're welcome! Have a good day. Sentence14: We need a taxi from Club Salsa that will get us to Kohinoor in time to eat. Can you make that happen? Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Thanks! I'm all set now. Bye! Sentence2: i am looking for a place to stay. The hotel should have a star of 4 and should include free wifi. Sentence3: I have several, when is your stay? Sentence4: A white bmw is booked for you. The contact number is 07793421858 Sentence5: There are 21 options. What type of food do you like? Our restaurants are quite diverse. Sentence6: a and b guest house is very nice Sentence7: Okay, now I would like to find a restaurant in the centre that is also in the moderate price range Sentence8: Yes it is in the moderate price range, what help can I help with? Sentence9: Ah, it was just a temporary lapse, it is back up now. I have you booked. The reference number is K9PYGG5A . Sentence10: Booking was successful. Reference number is : ZCRPOLK8 . anything else? Sentence11: Yes! What do you mean it's down? I need a place to eat! Sentence12: Choose one and surprise me. And book it for 6 people on thursday at 13:15. I'll need the reference number Sentence13: I'll need it to pick me up from the hotel and arrive at the restaurant at least 10 min before our reservation? Sentence14: You are welcome and good bye Sentence15: What is the name of the restaurant you booked the reservation at? We will also need a taxi to get there from the guesthouse. Sentence16: It was restaurant one seven, what time would you like that taxi? Sentence17: Can you confirm a and b guest house is in the moderate price range, please? Sentence18: It appears our booking system is down. Is there anything else I can do for you? Sentence19: book for 6 people and three nights starting on thursday. Sentence20: Do you have one that is a guesthouse? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Where will you be traveling to? And what day will you be leaving? Sentence2: Yes. It is in the centre of town on trinity lane. Sentence3: no thanks. not necessary. thanks though. goodbye Sentence4: What is the postcode for this place? Sentence5: I need to leave after 14:30 please. Sentence6: thanks for using our service. goodbye. Sentence7: What time would you like to arrive by? Sentence8: Okay. The TR7245 leaves at 15:21. Would you like me to book it for you Sentence9: The postcode is cb21tt. Can I help you with anything else today? Sentence10: Hello, could you tell me where the old schools attraction is located? Sentence11: I need a train leaving Cambridge after 14:30 Sentence12: What is the travel time and how much will it cose? Sentence13: i'm going to stevenage on wednesday. Sentence14: Travel time is 49 minutes, and the price is 12.80. Would you like me to book passage for you? Question: Who has spoken the sentence 11? (A) User (B) System


Output: Answer: (B) System