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: No that's all I needed. Thank you! Sentence2: Mumford Theatre sounds great. May I have their address and entrance fee, please? Sentence3: The bridge guest house phone number is 01223247942. Can I help you with anything else? Sentence4: Hi, I'm traveling to Cambridge and I'm excited about tourist attractions. I'm looking for theatres in the centre of town. Sentence5: Can I please get their phone number as well? That's all I'll need for the day. Sentence6: I have many. May I suggest either The Cambridge Arts Theatre or Mumford Theatre? Sentence7: Unfortunately I am unable to find information on the entrance fee but the address is anglia ruskin enterprise, east road. Their phone number is 08451962320 Sentence8: Sure. The Bridge Guest House is at 151 hills road. Did you need any other assistance? Sentence9: Alright, thank you. I'm also looking for a particular hotel. It's called the Bridge Guest House, could you help me find it? Sentence10: You are very welcome, anytime. Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Might I suggest the Autumn House. It is a cheaper guesthouse that offers both free parking and free internet. Would you like more info for them? Sentence2: It really doesn't matter. I don't need internet. I just for sure want a 4 star place. Sentence3: Thank you! Can you also get me a train going to Cambridge that day? Sentence4: Sure. There are six different options in that area. What were you looking for as far as price range and amenities? Sentence5: Is there anything else that you need? Sentence6: I need a 4 star hotel in the east, please. Sentence7: I think this is what I needed. Thanks. Sentence8: Sure! I just need to know where you plan on departing from and what time you'd like to leave. Sentence9: Booking was successful. Reference number is : 544D87NG . Sentence10: I need a room for 4 for 4 nights starting on Tuesday. Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Yes, I need a train from cambridge to stevenage on wednesday. Sentence2: Please book 3 seats and send the reference number. Sentence3: I sure could use a nice hotel to stay in. Can you find me one in the east? I don't need free WiFi. Sentence4: Yes it does. Would you like reservations? Sentence5: There are three cheap options in the east. Leverton House, Autumn House, and Allenbell. Would you like the phone number for any of them? Sentence6: Have a nice day. Sentence7: Thank you that is all I needed. Sentence8: I don't need hotel reservations. I just need address, price range, star of the hotel. Sentence9: Does it include free parking? Sentence10: When would you like to arrive by? Sentence11: No preference just fine a train that leaves after 17:45. Sentence12: Yes, that is a hotel. Should I make a booking for you? Sentence13: I am look for a hotel on the east with free parking. Sentence14: I'd be happy to book it for you! I just need to know what day you're arriving, how many nights you're staying, and the number of people in your party. Sentence15: I have train TR0609 leaving at 19:21 and arriving at 20:10. Sentence16: That will be okay. Can you book that? Sentence17: What time would you like to travel? Sentence18: It's a 2-star hotel. Sentence19: Is that a hotel? Sentence20: It is a 2 star expensive hotel, their address is 15-17 Norman Way, Coldhams Business Park, phone number is 01223866800. Is there anything else I can assist you with? Sentence21: We need to leave after 17:45. Sentence22: The express by holiday inn cambridge is in the east with free parking and interenet. It is in the expensive price range. Would you like to reserve a room? Sentence23: how many stars? Sentence24: the reference is LIB89A1W . Question: Who has spoken the sentence 11? (A) User (B) System
Output: Answer: (B) System