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 can get you a ticket on the tr8495 it will get you there by 10:55, or is that too early? Sentence2: I'm sorry I changed my mind. I just need the price per ticket please. Sentence3: I'll be going from Cambridge to Norwich. Sentence4: Yes. Please reserve for 5 people on Monday at 14:00. Sentence5: Have a great day and enjoy your time in cambridge. Sentence6: No that sounds good,please book it for me Sentence7: I also need a moderate restaurant in the town centre that serves European food. Sentence8: The price is 17.60 pounds sterling. Can I help with anything else? Sentence9: How many tickets will you be needing? Sentence10: Booked. The table will be reserved for 15 minutes. Reference number: XLZVMYRL . Sentence11: I need to take a train to here. I want to arrive by monday at 17:15. Sentence12: Great. I can't wait. Thanks! Goodbye! Sentence13: The riverside brasserie serves modern european food. Would you like to make a reservation today? Sentence14: Okay, there are plenty of options. Where are you headed? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System

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: Yes there are 5 parks to visit, would you prefer one in the north, south, east, or in town centre? Sentence2: You're welcome. Goodbye. Sentence3: I'm sorry, there are no Romanian restaurants in the centre. Care to try a different cuisine? Sentence4: Nope, that's all I need. Thanks a bunch! Sentence5: Could I please have the postcode and area to Milton County Park? Sentence6: The contact number for the taxi is 07629467335. Would you like help with anything else? Sentence7: Yes, I would like their contact number please. Sentence8: Milton County Park in the north is free and my humble suggestion. Sentence9: The postcode is cb46az and the area is north. Sentence10: I just need to be leaving the restaurant by 06:15. Sentence11: Are there any restaurants that serve Romanian food in the centre of town? Sentence12: There are 5 restaurants that serve indian food in the centre. Any specific price range? Sentence13: Please I want to book an expensive restaurant. First however help me find a place to go in town. Is there a nice park? Sentence14: Yes, do you have a time in mind? Sentence15: Any of the restaurants is fine. But, can I get a postcode and price range for the one you choose please. Sentence16: I have successfully booked you a White Audi. Would you like their contact number? Sentence17: The Golden Curry is expensive and delicious. The postcode is cb12az. Would you like me to make a reservation? Sentence18: It doesn't really matter, just whatever you recommend. Sentence19: No, thank you. But can you book a taxi from the restaurant to the park? Sentence20: What about Indian food? Question: Who has spoken the sentence 10? (A) User (B) System
Output: Answer: (A) User