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

Ex Input:
Sentence1: I'm sorry, they don't have an opening at 12:00. Would you like to try a different time or day? Sentence2: Hi. I am trying to find some information on a restaurant called India House. Have you heard of it? Sentence3: I was able to book your table on Sunday at 11:00 for 1. The reference number is FRGW4OO2 . Sentence4: I'm so happy we could help you out today. Enjoy your meal in Cambridge! Sentence5: Great can you book a table for one person at 12:00 on sunday? Sentence6: India House serves Indian food in the west of town and is expensive. Their phone number is 0122346166. Can I help with anything else? Sentence7: Thanks. That covers it then! Sentence8: Sure, let's try for 11:00, same day. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Ok, that would be great. Can I get the reference number please? Sentence2: Sure, and make me a booking for 7 people. Sentence3: I'll be departing from Cambridge on Wednesday. Sentence4: Yes I need a train going to birmingham new street leaving after 18:15. Sentence5: I have Hughes Hall, 01223334898, with free entrance. The broughton house gallery at 01223314960, also free. I don't seem to have any churches. Can I help you further? Sentence6: there are some great museums, colleges and churches for you to visit. Sentence7: Please recommend some worthwhile places to visit in the centre. Sentence8: Have a wonderful visit. Thank you for using Cambridge TownInfo Centre. Goodbye. Sentence9: I will go ahead and book that for you. Sentence10: Great, I would like to get some phone numbers for those places in the centre. Sentence11: Where will you be departing from, and on what day? Sentence12: Thank you. That's all I need for today. You've been a great help. Sentence13: There are five trains leaving on Weds. Do you want me to pick one to book? Sentence14: TR9236 leaves cambridge on wednesday on 19:01 and arrives at birmingham new street at 21:44. I have booked 7 tickets. Your Reference number is : 2BGY3ZRW . Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Yes, can I have more information about the Cambridge Museum of Tech? What is their address? Sentence2: Can I also get a phone number and postcode for the museum? Sentence3: Done! Your reference number is SY4TL1W6 . Do you need anything else? Sentence4: No problem. Will there be anything else? Sentence5: Yes! I know we have 33 in town. Do you need to book one of them? Sentence6: Do you know much about hotels? Sentence7: That's all thank you for your help. Sentence8: The Cambridge Belfry is a cheap hotel in the west. Would you like their address? Sentence9: their phone number is 01223368650 and their postcode is cb58ld Sentence10: Yes! Cambridge Artworks, Cambridge Museum of Tech, Gallery at Twelve and Saint Barnabas Press Gallery. Any interist? Sentence11: No that is it. Thank you. Sentence12: How about a cheap 0 star hotel with free parking? Sentence13: I'm also looking for a museum in the east. Any recommendations? Sentence14: There are 10 cheap hotel's in town. Would you like to be in the North, South, East, West, or Central location? Sentence15: Unfortunately there are no hotels matching that criteria. Would you like for me to search for 2, 3 or even 4 star hotels? Sentence16: Address is the old pumping station, cheddars lane Sentence17: sorry, what is the address? Sentence18: Ok that works please make reservations for 3 people and 3 nights starting from saturday. Sentence19: Absolutely, their address is the old pumping station, cheddars lane. Is there anything else I can assist yo with today? Sentence20: No problem, glad to help. Have a great weekend. Sentence21: The el shaddai may be a good choice for you. Sentence22: Lets start over, my apologies. We were actually looking for a moderate priced hotel, with 0 stars and free parking, disregard everything said before this. Sentence23: Yes please,the cheapest one,thank you Sentence24: I would like to stay in the west please. Can you send me some info? Question: Who has spoken the sentence 18? (A) User (B) System

Ex Output:
Answer: (A) User