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 need a place to stay with free wifi. Sentence2: Location doesn't really matter as long as there's free parking available. Sentence3: Ok, I have several hotels. Any particular location? Sentence4: How about the Gonville Hotel located in the centre area of town? Sentence5: What is their postcode? Sentence6: Their postcode is cb11Iy, address gonville place, phone 0122336661 they have wifi and free parking too. Would you like me to book this for you? Sentence7: I have several available. What is your price range? Sentence8: Between $100-$300 per night. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: You're welcome, glad I could help. Sentence2: I personally like Parkside Pools. It's in the center of town, on Gonville Place. Sentence3: Any area is fine. Which of the 4 swimming pools do you suggest? Sentence4: It is cb11ly. Is there anything else I can help you with? Sentence5: Where will you be departing from? Sentence6: Thanks. That was all I needed. Goodbye. Sentence7: I am departing from Cambridge. Sentence8: I am looking for information on places to go in Cambridge. Can you help with that? Sentence9: My destination is london kings cross Sentence10: Can I get the postcode as well? Sentence11: I can help with that. Is there a particular area you're interested in? Sentence12: Yes, there are 4 swimming pools that match those requirements. Is there a particular area you would like to go to? Sentence13: There are 278 trains that meet that criteria. Would you like to narrow down your options by departure site, destination, or arrival time? Sentence14: I have made that reservation and your reference number is 1702SDBO . Sentence15: TR1502 arrives in london kings cross friday at 11:51. Would you like me to book you any seats? Sentence16: I also need a train leaving after 11:00 on friday Sentence17: What I'd really like is to find a swimmingpool. Sentence18: Yes book for 8 people and I need a reference number Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: they are many here. we can narrow them down by stating how many stars you want. Sentence2: I've got another request I need assistance with please. I am looking to Stansted Airport via train and need help booking it. Sentence3: that could be anywhere. book for me for 3 people and 4 nightsstarting from sunday. Sentence4: Okay sounds good can you make a booking for 3 people and 4 nights starting from sunday. Sentence5: No, but I'd like it to be moderately priced. Sentence6: Please help me find a guesthouse or hotel that has free parking. I prefer a guesthouse though. Sentence7: Sure, do you know what day you're traveling? Sentence8: There are many. Is there a particular area you prefer? Sentence9: The acorn guest house is a good option for you. Sentence10: Where will you be departing from? Sentence11: I will travel on Thursday. Sentence12: Great! I booked that room for you. Here is your reference number RKBQJ4LX . Question: Who has spoken the sentence 11? (A) User (B) System
Output: Answer: (B) System