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

[Q]: Sentence1: Yes, can I get a table for 4 on saturday at 15:15? Sentence2: Hi! Can you help me find a particular restaurant? Sentence3: unfortunately they are filled up for that time would you like me to reserve another time or would you like to choose another restaurant. Sentence4: Of course, there are 110 restaurants in town. Would you like me to search by restaurant name? Sentence5: The Varsity Restaurant serves international food in the center of town. Do you want me to book it for you? Sentence6: Excellent. I'll need the reference number. Sentence7: Yes, I am looking for the Varsity Restaurant. Sentence8: Yes, I will book a table for 4 on Saturday at 15:15. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: I'm sorry, I only know that it is moderately priced. Can I book a room for you? Sentence2: What is the price range? Sentence3: Is there a particular area of the city where you'd like to stay? Sentence4: No that's all. Thanks! Sentence5: Yes. There are a number of hotels with wifi. Archway House is one of them that I can recommend. Sentence6: You have a nice day. Good bye. Sentence7: Howdy! I'm in town for the night and need a place to stay. I'd like a four star joint with free parking, if you please. Sentence8: no that's fine. Sentence9: Nice! I hope you enjoy this beautiful city, I found 5 hotels for you. What is your price range? Sentence10: Is there anything else you will need today? Sentence11: Archway house is in the moderate price range. They are located at: 52 gilbert road. Anythign else you need? Sentence12: I have 16 guesthouses that are 4 star and have parking, do you have any other requirements to help narrow the search? Sentence13: I don't have a price range. As long as it's nice. Sentence14: Sure, what is its address and price range? Sentence15: Do any of those have free wifi? Sentence16: No, I don't care about the area, either. But do you have a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I would need it for 3 people for 17:30 on monday. Sentence2: what day and how many people? Sentence3: Okay, I've booked 3 tickets for you on TR8387. It will cost 29.4 GBP. Your reference number is VF2TRXD0 . Can I do anything else for you today? Sentence4: No, that sounds about right. Thanks. Sentence5: This is perfect. Please book for 3 people and give me the reference number. Sentence6: i want to reserve a table at Restaurant Alimentum Sentence7: I do not care. Just something in the south, moderate range in price. Sentence8: Enjoy your visit. Sentence9: I have booked that for you and your reference number is 7HRLWXYB . Is there anything else I can help with? Sentence10: Absolutely! What type of food are you looking for? Sentence11: I would suggest train TR8387 that leaves at 21:11 with arrival at 21:58. Would you like me to book this one or do you need a different arrival time? Sentence12: Thanks! I need to travel to Kings Lynn from Cambridge for 3 people. I need to travel Tuesday night, sometime after 20:00. I need a reference number please. Sentence13: There are two options that match what you're looking for. Pizza Hut Cherry Hinton and Restaurant Alimentum, which is modern European cuisine. Does either sound good? Sentence14: Hello, can you help me find a restaurant for my upcoming trip to Cambridge? Question: Who has spoken the sentence 10? (A) User (B) System
[A]:
Answer: (A) User