You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

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
Answer: (B) System

Sentence1: Yes sir! Soul tree nightclub is a good one. they are at 8 market passage, postal is cb23hx and phone number is 01223519224, is there anything else that I can assist with? Sentence2: Pick a good one for me. I need the phone number and postcode for it too. Sentence3: Sala Thong is an expensive Thai place in the west. They're located at 35 Newnham Road, cb39ey. Sentence4: Can't wait to come party at one of your nightclubs in town. Sentence5: There are 5 nightclubs in the centre and one in the south. Would you like more information on one of them? Sentence6: Thanks, that is all for today. Goodbye. Sentence7: You're welcome, have a good day. Sentence8: Can you give me information on a restaurant called Sala Thong? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Okay, happy to help! would you like more information or a reservation? Sentence2: I have several trains traveling to stansted airport, which day would you like to leave? Sentence3: no. that is all i need. thanks. bye. Sentence4: Yes, that sounds good. Thank you. Sentence5: I need to take a train from Cambridge to the stansted airport, which train would be the best one? Sentence6: I would take the guesthouse. Sentence7: Is there anything else I can help you with? Sentence8: I need to leave on Tuesday after 16:00, please. Sentence9: The hotel please. I need to book it for 3 people 4 nights starting friday. Sentence10: Okay I have two different options. There is a guesthouse and a hotel. Both have free parking and wifi. Any preference as to which one? Sentence11: Great! Have a nice evening. Sentence12: TR0471 leaving Cambridge on Tuesday at 16:40 and arriving at Stansted Airport by 17:08. Would this one work for you? Sentence13: Yes I'm looking for a place to stay in the south part of town with a 3 star rating. Sentence14: You are booked into the lensfield hotel. The reference number is O46I4NOR . My I help you with something else? Question: Who has spoken the sentence 5? (A) User (B) System

Answer: (B) System