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

Q: Sentence1: Yes, it has free internet and parking. Sentence2: That sounds fun! Could you tell me the phone number, area, and entrance fee for cafe jello gallery? Sentence3: Yes, I have found the Cambridge Belfry that is in the west part of town. Can I book this hotel for you? Sentence4: I am having an issue booking your hotel room for you. Sentence5: Lots of exciting things include 13 in the west area, and type of place in mind? Sentence6: Okay I was able to book you. Your booking was successful. Your Reference number is : 91SNR681 . Sentence7: No, it's a hotel. Would you like to book your stay? Sentence8: Do they have free wifi as well as parking? Sentence9: You know, the part of town doesn't so much matter, I'd really like to find a guesthouse with free wifi and parking. Sentence10: Yes please try again. Sentence11: Can I recommend the cafe jello gallery. Sentence12: the cambridge belfry is in the cheap prise range would you like a booking? Sentence13: Great. How many people in your party, and what day will you be arriving? Sentence14: I'm thinking a museum. Sentence15: Yes please. Sentence16: Hello, can you recommend a cheap hotel with free parking, please? Sentence17: Entrance is free. The phone number is 01223312112, and the area is the west. Sentence18: Is this a guesthouse? Sentence19: How about switching it to 8 people for 1 night? Sentence20: There will be 8 of us for 2 nights starting saturday Sentence21: I think that's all I need for today. Thanks. Goodbye. Sentence22: I'm sorry that doesn't seem to be available. Would you like me to double check for a guesthouse? Sentence23: Have a great trip. Goodbye. Sentence24: Are there any fun places to go ? Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: I am sorry but you will have to get ticket there and here is the address 251a chesterton road. Sentence2: Do you want me to make a booking? Sentence3: I'm seeking an attraction! A boat one will be nice. Sentence4: Yes please! Thank you so much! Sentence5: Great! I have four for you. Two are in the centre. Any location you'd like in particular? Sentence6: Sure, I can get tickets for the cambridge punter in the city centre. If that sounds okay, what day and time would you like? Sentence7: I am also looking for the Oak Bistro, a place to eat. Sentence8: No, I'd like the name of one in the centre please. Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: Okay your booking was a success and your reference number is L1ZY1OJE, is there anything else you need today? Sentence2: Just want to make sure, that reference number is for the train, TR5465? Sentence3: I do not have the postcode, phone number, and area for the train station. May I help you with anything else? Sentence4: postcode, phone number, and area Sentence5: Whale of a Time is the only attraction I see for that area. There is no entrance fee listed, but the phone is 01954781018. Sentence6: Yes, I would like to make a booking for 8 people. Sentence7: I would be happy to help you with that! We have colleges, museums, and entertainment attractions in that area. Which would you like to visit? Sentence8: Thank you for all your help. You have a great day. Sentence9: There are a number of trains leaving from Cambridge on Monday, is there a specific destination and time you'd like to leave? Sentence10: TR5465 arrives Leicester at 17:06. Would that work for you? And the postcode for Whale of a time is cb238el. Sentence11: I'm also looking for a train that departs from cambridge and leave on Monday. Sentence12: That is correct. It departs cambridge at 15:21 and arrices in leicester at 17:06 on Monday. Sentence13: I think I'd like to visit an entertainment attraction. Do they have entrance fees? Sentence14: I'd like to arrive at Leicester by 17:45. And what was that postcode for Whale of a Time again? Sentence15: You have a wonderful day yourself! Sentence16: Hi, I'm looking for places to visit. Mainly in the western part. Question: Who has spoken the sentence 4? (A) User (B) System

A:
Answer: (A) User
****