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: book a table for 6 people at 12:00 on wednesday Sentence2: Are you looking for one in a particular area? Sentence3: I'm looking for parks in Cambridge can you help me? Sentence4: No, area doesn't matter. What park would you recommend? Sentence5: Thank you that is all I need for now. Sentence6: Okay great! I hope you have a wonderful day! Sentence7: Tandoori Palace in the west is a wonderful Indian restaurant. Would you like their phone number or a reservation there, perhaps? Sentence8: I was able to book a table for 6 they will hold the table for you for 15 minutes. The reference number is M4ILDKD4 . Sentence9: The postcode is cb18dw. Sentence10: There are fifteen Italian restaurants in town. Do you want a specific part of town, or maybe a certain price range to narrow down the search? Sentence11: I need help finding a book on italian food Sentence12: No just the postcode please. Sentence13: Thanks. Could you help me find and expensive Indian restaurant perhaps? Sentence14: Cherry Hinton Water Play park in the east is an excellent place to keep cool on hot summer days. Would you like the address? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: I need one ticket please and for leaving at 16:15,thank you. Sentence2: Thank you! That's all for me. Goodbye! Sentence3: I need a Tuesday train to from Peterbourough. Sentence4: Glad I could help. Let me know if there's ever anything else you need. Sentence5: Sure they do have internet and their phone number is 01223327978. Sentence6: Let me confirm this information: Are you leaving from Peterborough at around 16:15 and going to Cambridge on Tuesday? Sentence7: Right now I just need their phone number and to know if they have internet or not please. Sentence8: There's a train, TR5267, which leaves Peterborough at 16:19, arr. Cambridge 17:09. It's 16.50 pounds per ticket. Would you like to book it? Sentence9: Could you help me book a hotel called el shaddai? Sentence10: What day would you like to stay at the el shaddai? Sentence11: Yes, that's mostly right, but it should be after 16:15, please. Sentence12: Yes, please book it for one person and provide the reference number. Sentence13: All booked. Your reference number is LBUHU6M3 . Is there anything else I can help you with? Sentence14: If your are going to cambridge the first train leaves at 05:19 and the last at 07:19, any particular time and how many tickets please? Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: There are four theaters showing up in the centre part of town. It looks like one of them is a arts theater. Do you want info? Sentence2: That time was successful. Your table will be reserved for 15 minutes. The reference number is: L85JERQH . Anything else today? Sentence3: I prefer the center of town Sentence4: I would also like a restaurant that is in the North area that serve Northern European food. Sentence5: Yes, can we try 17:00? Sentence6: Unfortunately, we don't seem to have any listings that match your criteria. Would you like to look for a different type of cuisine or a different area of the city? Sentence7: I do apologize, but they're all booked up. Would you like to try another day or time slot? Sentence8: Yes please! What's the postcode, fee, and number? Sentence9: OK go ahead and book a table for 3 people at 18:00 on thursday. Sentence10: The Cambridge Arts Theatre is located in 6 Saint Edward's Passage Postcode cb23pj, phone 01223503333. There isn't information about entrance fee. Sentence11: There are 5 theaters in the whole of Cambridge, do you have a specific area in mind? Sentence12: Yes, please. I'd like a taxi between the two places to arrive by 17:00. Sentence13: How about a Chinese food restaurant? Sentence14: Booking completed! Booked car type : grey bmw Contact number : 07714877467 is there anything else i can help you with? Sentence15: I would recommend Hakka. It is in the north area and I've heard it's great. Sentence16: I'd like to go to the theatre, can you tell me about what's available in Cambridge, please? Question: Who has spoken the sentence 1? (A) User (B) System
Output: Answer: (B) System