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

[Q]: Sentence1: No, that's great, thanks. Sentence2: Your grey Honda is booked, and the contact number for the driver is 07817450562. Can I do anything else for you today? Sentence3: I need to actually arrive by 19:15. Sentence4: I will be departing from parkside police station. Sentence5: What time would you like to depart at? Sentence6: I'd like a taxi to the ugly duckling Sentence7: Where will you be departing from today? Sentence8: Have a nice day. Thank you for contacting us. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: i also want a taxi to commute between the two places Sentence2: That's it for now. Thank you for you patient help. Goodbye. Sentence3: book a hotel for 7 people and 2 nights starting from wednesday Sentence4: I have 24 options available. Do you have a specific area in mind? Sentence5: It will be picking me up from the hotel. I'll need the contact number and car type, please? Sentence6: First let's pick one of the 14 guesthouses and then I'll book your room! Sentence7: Absolutely! Your Booking was successful. Reference number is : 7ZCFV2O4 . Is there anything else you need? Sentence8: I need a guesthouse to stay while I'm in town. I don't care if it has free parking or not. Do you have something I could get? Sentence9: We have five parks available. Do you have an area that you would prefer? Sentence10: Yes, I would recommend acorn guest house. Sentence11: I should be able to help you with that. Are you traveling to the Botanic Gardens or from? And what time do you want the taxi for? Sentence12: I'd like someplace in the center, please. Sentence13: There are 14 guest house with internet and moderate price what area would you like Sentence14: Sounds good. There are a lot to chose from, is there one that you specifically recommend? Sentence15: And where would you like the taxi to pick you up? Sentence16: That sounds fine can you book for seven people for two nights starting Wednesday? I'm also looking for a park to visit. Sentence17: You are booked for a white audi with the contact number 07387814664. May I help with anything else, like a restaurant? Sentence18: Yeah, any time I was happy to help. Sentence19: I'm also looking for a park to go to while I'm in town. Sentence20: i want to leave the hotel by 01:15 Sentence21: The Cambridge University Botanic Gardens is located in the centre. It's on Bateman Street. The entrance fee is 4 pounds. Can I help you with something else? Sentence22: No specific area but i do need wifi and a moderate priced guesthouse please. Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I need a moderately priced restaurant in the centre. Sentence2: Would you like to book a table, if so how many are dining? Sentence3: Thank you, and have a great day! Sentence4: Okay thank you very much. Sentence5: There are 21 different restaurants that fit your criteria. Is there a specific type of food you are looking for that could narrow down the list? Sentence6: Can I get the food type and postcode of one you'd recommend? Sentence7: I recommend anatolia, it is a turkish food type restaurant and its postcode is cb21uj. Sentence8: Not at this time. Thank you for everything. Question: Who has spoken the sentence 2? (A) User (B) System
[A]:
Answer: (A) User