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: The area doesn't matter. I would like free wifi though, if possible. Sentence2: Not really, how about 4 star? Sentence3: Do they also have free parking? Sentence4: I have many options. Do you have a preference for the area you would like to stay in. Sentence5: There are several moderate 4-star places to stay throughout town, but they are all guesthouses. Would a guesthouse work for you? Sentence6: acorn guest house does have free parking,would you like that one? Sentence7: Dojo Noodle Bar is a nice cn I book you a table ? Sentence8: I'm looking for a moderately priced, 1-star place to stay. Sentence9: No, I don't need a hotel booking at this time. I'd like to find a place to dine on Sunday. Sentence10: Unfortunately we do not have any moderately priced 1 star hotels in Cambridge. I'm sorry! Cityroomz has 0 stars in the centre, does that work? Sentence11: Would you like me to reserve the acorn guest house for you? Sentence12: Yes. I also need to find a place to dine that is in the center and the same price range as the hotel. Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Don't worry, I should be able to help you. Do you know which station you'll be leaving from or going to? Sentence2: What is your destination? Sentence3: Hi, I am trying to plan a trip and need some help with a train. I'm not familiar with trains at all unfortunately. Sentence4: I'm departing from leicester and I need to leave on friday. Thank you for helping! Sentence5: I also need a place to stay. Sentence6: 11 pm and I want it for three people Sentence7: I'm going to Cambridge. Sentence8: We have many great places to stay. What area would you like and do you have a price range? Sentence9: Is there a time you would like to arrive by? Sentence10: TR6539 will arrive by 22:54. Booking was successful, the total fee is 113.4 GBP payable at the station. Your reference number is IE5RK2IG . Do you need anything else? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Yes I would like to book that for 3 nights from Saturday for 7 people. Sentence2: Can you find me a spanish restaurant in the moderate price range? Sentence3: You are all set, the reference number is Y5RM8ZUC, can i assist with anything else? Sentence4: No thank you, I just need the post code. phone number and address please. Sentence5: Acorn Guest House is located in the north area of town. Would you like more information? Sentence6: Their phone number is 01223353888. Their postcode is cb41da and their address is 154 chesterton road. Sentence7: Yes, La Tasca matches your preferences. Would you like their information? Sentence8: Ok great, have a wonderful day! Sentence9: Will you need any dinner reservations to go with that? Sentence10: I want to double check, is La Tasca in the centre of town? Sentence11: Thanks that's all I needed to know today. Sentence12: Yes, it is in the centre. Would you like a reservation? Sentence13: I'm looking for a hotel called acorn guest house Sentence14: No thanks. I just need to book the room. Question: Who has spoken the sentence 9? (A) User (B) System
Output: Answer: (B) System