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

Example Input: Sentence1: Galleria serves European food and is in the centre part of town and has a moderate price range. Sentence2: No restaurants serving australasian food can be found. May I find another type restaurant for you? Sentence3: Looking for someone that serves Australasian food? Sentence4: How about European food? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Can you give me more information about shopping? Sentence2: There are two hotels meeting your criteria. Can I recommend Gonville Hotel in the Centre area. It has parking and internet. Do you want that booking? Sentence3: There is nothing that is 3 stars which includes wifi, can I check for something else? Sentence4: I need you to find me a hotel with free wifi and a star rating of 3 in the west. Sentence5: There are no 3 star locations with parking. Sorry. Is there anything else I can help you with toay? Sentence6: What date are you checking in and how many are in your party? Sentence7: I'm sorry but i'm confused. Where would you like reservations at? Sentence8: the postcode is cb30ds Sentence9: What area of town will you be shopping in? Sentence10: I will be in the west part of town, but I think I am more interested in college visits if you could help me with that. Sentence11: Nothing matching your criteria exists on the west side.s location matter? Sentence12: No, the location does not matter. Sentence13: Hmm can you check one more time, it should really be a hotel. Sentence14: Actually, I wanted a 3 star hotel with wifi, not parking. Can you check again? Sentence15: No the area doesn't matter as much, please provide me with the reference number. Sentence16: Thanks! I'm also looking for somewhere to stay. Any hotels? Maybe around a 3 star, and I need wifi. Sentence17: Sure, what's the postcode for that college? Sentence18: I have 5 in the west can I recommend churchill college? Sentence19: book it for 2 people and 2 nights starting from sunday. Sentence20: Sorry, I'm not seeing anything that matches your request. Would you want to try a guesthouse? Sentence21: There are two, does the area matter to you? Sentence22: Can you recommend a 3 star hotel then? I'd like a room for 2 nights on sunday, for two people. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I have booked you one ticket to leave at 15:11 from kings lynn and arriving at cambridge at 15:58. Reference number is DLDQIR5G . Sentence2: Where would you like to depart from? Sentence3: Sure thing it's cb41uy. Sentence4: Can I have the postcode for that restaurant to please? Sentence5: That's all I needed today, have a good day. Sentence6: Your reference number is DOX6TU6M . You may pay 19.6 pounds at the station. Do you need help with anything else? Sentence7: I would recommend The Nirala. It is moderately priced and located on 7 milton road chesterton Sentence8: Actually I need a booking for 2 people total not just me. Sentence9: Yes, please make the booking for me. Sentence10: Thank you! So much. That's all I needed help with. Sentence11: Thank you for using the Cambridge TownInfo centre. We hope you have a pleasant visit. Sentence12: Yes I need a place to eat that is in the north and should serves indian food. Sentence13: There is a train leaving at 15:11 that will arrive at 15:58. Would you like assistance booking a ticket? Sentence14: I need a train leaving after 14:30 on Wednesday. Sentence15: you are welcome always Sentence16: Hi, I'm looking for a train to Kings Lynn from Cambridge. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User