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'm going to saint johns chop house. Sentence2: What is your destination? Sentence3: The contact number is 07727071722. Is there anything else I can help you with? Sentence4: I can help you with that. When do you need to leave? Sentence5: No that is all Thank you goodbye. Sentence6: I need the contact number please. Sentence7: Your taxi is booked. Look for a yellow Volkswagen. Sentence8: Please call us anytime. Good Bye. Sentence9: I need to get a taxi out of holy trinity church. Sentence10: I need to arrive at the chop house by 22:30. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: No, I'm actually looking for something in the north. Is there anything available there please? Sentence2: I've made the reservations for you. The reference number is NFKR3VXL . Sentence3: Hi, few questions. I am looking for a restaurant called the Little Seoul. Also, could you give me the phone numbers, address, and entrance fees for both those places? Sentence4: ok I have a black volvo booked for you Sentence5: Ok, thanks. Can you reserve the restaurant for me for 5 people at 14:30 on Sunday? Sentence6: Can I please get the taxi company's phone number in case I need it? Sentence7: you can reach them on 07704971911 Sentence8: Abbey pool and astroturf pitch is in the east part of town if that would work for you? Sentence9: Sure! Let me get the pool information first. I found one that is an outdoor pool and one that is a learner pool. Which would you prefer? Sentence10: The outdoor pool would be best. For the restaurant I need to reserve it for 5 people at 14:30 on sunday. Please give me the reference number of the reservation. Sentence11: Yes I need a taxi to get from the pool to the restaurant. Sentence12: You are welcome. Can I assist you with anything else? Sentence13: I'm looking to swim today. Is there anywhere I can go? Sentence14: the outdoor pool is called jesus green outdoor pool located at between victoria road and the river cb43px Sentence15: enjoy your time in Cambridge! Sentence16: Thank you so much for your help. Sentence17: Sure, there are two in the north. Would you like their information? Sentence18: Thank you. That was all I needed. Goodbye. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Thank you for all your help. Sentence2: I will be visiting family in the south part of cambridge and we would liek to get one last boating excursion in. Any boating places in the south area? Sentence3: No problem. Are you sure you don't want to go ahead and make a reservation? Sentence4: No, I'm sorry there are no 1 start guesthouses offering free wifi. Is there anything else I can help you with? Sentence5: i would like place to stay. The hotel should be in the type of guesthouse and should include free wifi Sentence6: aylesbray lodge guest house is a nice four star guesthose with internet available. Would you like me to book you a room? Sentence7: It looks like there isn't any boating in the south area. Would you like me to look in a different area of town? Sentence8: Is there anything else I can help you with? Sentence9: Can you book it for 4 people for 2 nights starting friday? Sentence10: How about a nightclub in the south? Sentence11: Okay, the four will be fine, then. I don't need to book, yet. Thanks for your help. Sentence12: I would prefer a guest house that has one star. Is there one available also with free wifi? Sentence13: Sure, The Place is on 22 sidney street and the postcode is cb23hg. Phone number is 01223324600. Sentence14: Okay. I have a reservation for 4 for two nights starting Friday. Question: Who has spoken the sentence 12? (A) User (B) System
Output: Answer: (A) User