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: No, but I would like to find a cheap priced south african restaurant. Sentence2: I'm sorry, but we don't have and South African restaurants in the area. Is there a different type of food I can help you find? Sentence3: I would say let's look for an attraction first. Can you recommend something to do in the south part of town? Sentence4: I will go with whatever you recommend, I just need the attraction type and postcode. Sentence5: Hi, I am looking forward to trying some of your local restaurants. I do need help with some other places to go in town while I am there though. Sentence6: There are several nice parks in the area as well as theaters and museums. Sentence7: The byard art museum postal code is cb21sj. Can i help you get transportation to and from the museum? Sentence8: Try Portuguese then. Sentence9: Thanks so much for putting up with me! You've been great! Sentence10: 3 people will be dining. Please give me a reference number once you finish the reservation Sentence11: I would rather be in the south area. Sentence12: What is your food type preference? Sentence13: There are two results. Both are cheap. Do you prefer the south or centre? Sentence14: I have finished booking it for Thursday at 12:15 for 3 people at Nando, your reference number is TDQZGM38 . Do you need anything else? Sentence15: Can you book a table for me there on Thursday at 12:15? Sentence16: The only option is nandos. Sentence17: You are welcome enjoy Sentence18: How many people are in your party? Question: Who has spoken the sentence 15? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: the cambridge and county folk museum is located 2-3 castle street Sentence2: Yes, that would be great. There will be 7 of us. Sentence3: Do you have any 0 star places? Sentence4: Is there one in the moderate price range? Sentence5: I'd like to start on Friday please and stay for 3 nights. I will also need the reference number. Sentence6: Thanks, can you also give me the entrance fee, phone number, and postcode? Sentence7: Yes, Cityroomz is in the moderate price range. Would you like to make a reservation? Sentence8: Okay. Would you like to narrow it down by the area, price range, or type? Sentence9: I'd be happy to make a reservation for the 7 of you. I will need to know what day to start your reservation and for how many nights, please. Sentence10: I also need a place to stay. Sentence11: That will be all, and thanks so much for your help. Sentence12: I have 2 guesthouses and 1 hotel that are 0 stars, do you have a preference or want a particular area of town? Sentence13: I'm looking for the cambridge and county folk museum. Sentence14: The fee is 3.5 pounds, the number is 01223355159, and the code is cb30aq. Sentence15: Have a nice day. Sentence16: Your reservation for 7 people at Cityroomz this friday for 4 days 3 nights was successful. Your Reference number is : SOF4G9MY . Anything else I can do for you? Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I am looking to go to cambridge on thursday. Sentence2: Yes. There are two available trains. One leaves at 5:29 and arrives by 6:07 and the other leaves by 7:29 and arrives by 8:07. Which would you prefer? Sentence3: I need to leave on Thursday and get there by 9:15, is that OK? Sentence4: I am looking for a train departing from Bishops Stortford. Sentence5: It's my pleasure. Goodbye! Sentence6: Sure, we have one other option TR1242 leaves at 07:29 and arrives at 08:07. For 8 people your reference number is : 6A76VGSK . Sentence7: I'd like the later one, please. I'll need 8 tickets. Sentence8: I have 10 available trains. Is there a particular time you would like to leave or arrive by? Sentence9: Okay great! Thanks for all your help. Sentence10: There are 70 trains departing from that location, would you like to narrow it down some? Question: Who has spoken the sentence 2? (A) User (B) System


Output: Answer: (A) User