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

[EX 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
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I have found 5 that fit that description. Is there a particular area you would like? Sentence2: I would like to book a table for 6 at 15:15 on Tuesday. Sentence3: Yes. I would like it to be in the expensive price range. Sentence4: Can you find me a Chinese restaurant please? Sentence5: Sure. There are 17 chinese restaurants in town. Are you looking for a certain price range or location? Sentence6: Thank you for contacting us and enjoy your meal at the hakka. Have a great day. Sentence7: Yes, thank you. That's all for now. Bye! Sentence8: I was able to get a table at Hakka in the north. The reference number is 7KW8MVL3 and they'll keep the table for 15 minutes. Does that suit you? Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Okay, great, I hope you have a nice day too! Sentence2: I am looking for a train. The train should arrive by 14:45 and should leave on Saturday. Sentence3: And what are your departure and arrival stations? Sentence4: I actually just need to know the price of a ticket please Sentence5: There are 5 trains running on saturday that will meet your needs. Would you care to book tickets for one? Sentence6: The price of one ticket is 13.28 pounds. May I assist further in any way? Sentence7: I would like to leave Cambridge and go to London Liver Pool. Sentence8: No thanks, that was all I was hoping to find out! Have a good day! Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]:
Answer: (A) User