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 that's all. Thanks. Bye! Sentence2: Yes, that's right. Which of the 12 options would you recommend? Sentence3: Yes, would you try 2 nights instead, please? Sentence4: That's great. Please make a reservation for 1 on Monday. I'd like to stay 3 nights. Sentence5: Your booking was unsuccessful. Would you like another day or a shorter stay. Sentence6: Are they expensive? I would like something nice. And do they have free parking? Sentence7: Please check for something expensive first. If you don't see one, then we can come back to that. Sentence8: Booking was successful. Reference number is : JAKCI7JO . Is there anything else we can help you with today? Sentence9: How about Archway House? It's at 52 Gilbert Road cb43pe, and the phone number is 01223575314. Would that work for you? Sentence10: Yeah, that's fine. Oh, and I need free parking! Sentence11: There is the Acorn Guesthouse that is located in the north side of town. Would you like me to make a booking? Sentence12: I hope you have a great rest of the day. Sentence13: Can you tell me about a nice guest house in your city? I don't care how much it costs. Sentence14: They're a moderate guesthouse with free wifi and parking. Would you like to book a room? Sentence15: So to clarify, you need a guesthouse with free parking, and a moderate price range is acceptable? If so, I have 12 different options for you. Sentence16: It looks like all of the places in the expensive price range are hotels rather than guesthouses. Would you like to consider a different price range? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: 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

Output: Answer: (B) System


Input: Consider Input: Sentence1: Where are some places in town around Cambridge College? Sentence2: Reservations for 7 at the Thanh Binh has been made for Sunday at 13:30. The address is 17 Magdalene Street City Centre postcode is CB30af. Sentence3: Could I actually just book a table for 7 there? Sentence4: Yes I have. It's a great inexpensive restaurant. Would you like their information? Sentence5: I am also looking for a particular restaurant. Have you heard of Thanh Binh? Sentence6: I'd like to dine at 13:30 on Sunday please. Sentence7: I sure can. Corpus Christi is one of the most popular ones. Sentence8: I don't have a preference. Can you suggest something? Sentence9: A college type of attraction. Sentence10: That sounds great! May I have the address? Also, what part of town is it located in? Sentence11: I found several college type attractions. Do you prefer a certain area of town? Sentence12: Please specify the type of attraction you're interested in. Sentence13: The address is King's Parade and it is in the Centre of town. Is there anything else you need to know? Sentence14: Sure thing. I will work on getting this booked for you. Question: Who has spoken the sentence 7? (A) User (B) System


Output: Answer: (B) System