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

[EX Q]: Sentence1: Sure, what area of town would you like to stay in? Sentence2: There are entertainment attractions in the east, south, and west areas. Which would work best? Sentence3: Any area is fine Sentence4: cherry hinton hall and grounds located in the east is a very nice place to visit. Sentence5: what is your price range to narrow down on our choices Sentence6: lovell lodge has a moderate price range. is that it? Sentence7: Sounds good, I will give it a try, can I also get a place ot stay with free wifi and parking? Sentence8: I am visiting Cambridge and want to see some entertainment. Sentence9: Preferably in the north. Sentence10: There are 2 hotels with 2 stars. There are also 9 guesthouses with 0-, 3- or 4-stars. Which do you prefer? Sentence11: I think I'd choose one of the hotels. Either is fine, could you recommend one? And give me it's price range? Sentence12: Yes that will be all, thank you. Sentence13: I'm open to any price range as long as it meets everything else I need. Sentence14: you are welcome any time Question: Who has spoken the sentence 11? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Are there any with 2 stars that offer free parking? Sentence2: I want to leave by 01:30. Sentence3: We have serveal entertainment attractions. Would you like to try the funky fun house? Sentence4: I will need a taxi to take me from the Funky Fun house to my hotel. Sentence5: I was able to book a taxi for you from Funky Fun House to Ashley Hotel. It is a white BMW and the contact number is 07616230310. Sentence6: I need it to be moderately priced with a 2 star rating. Are either one of them fit this description? Sentence7: Let's go with Ashley. Book that for 8 people for 3 nights starting from saturday. Sentence8: I'm sorry, there has been a mix up. There are two 2 star hotels available, the Ashley and the Lovell Lodge. They are both hotels and have internet and free parking. Sentence9: Yes I am looking for a hotel on the North side of town. I am not needing parking. Sentence10: The number there is 01223304705 and it's on 8 Mercer's Row. Anything else? Sentence11: I'm looking to go someplace in town. Maybe for entertainment. Do you have any recommendations? Sentence12: I would like one without the internet. Sentence13: Yes, there are two guesthouses available with free parking, one with internet and one without. Do you have a preference? Sentence14: I would be happy to help you get a taxi, what time would you like to leave funky fun house? Sentence15: What's the entrance fee? Sentence16: That sounds funky. Sure. Sentence17: Both hotels are moderately priced, but there are no 2 star ratings. Do you want to try a different rating? Sentence18: There are two guesthouses meeting your requirements. Would you prefer the 3 or 4 star one? Sentence19: Ok, I have booked your reservation at the Ashley hotel for 8 people 3 nights starting Saturday, Your confirmation number is P94ETSL1 . Sentence20: It was my pleasure to assist you. Call us again anytime. Have a good day. Sentence21: okay, that should be all! thank you so much for your assistance! Sentence22: I have no information in my system about their entrance fee. You are welcome to call them and see if they can provide you with that detail. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Sounds great. I'd like to make a reservation for Saturday. Sentence2: Thank you for calling. Please let us know if we can be of assistance in the future. Have a great trip! Goodbye. Sentence3: I would also like a moderately priced place to stay. Sentence4: free wifi and 4 stars please Sentence5: May I please have information about a train to Stevenage, leaving on Tuesday? Sentence6: Yes, please. Sentence7: Your booking was successful. The reference number is 5KPWKTTX . Can I help with anything else today? Sentence8: Do you have a certain time you would like to leave after or arrive by? Sentence9: Certainly. Is Cambridge your departure point? Sentence10: Any that leave after 08:00 would be fine. I'll need a booking for 5 people, please. Sentence11: You are booked for the TR4546 train. Your reference number is NALGEDH3 and 64 GPB will be due at the station. Is there anything else? Sentence12: Is there a certain area that you perfer? Maybe free parking or wifi? Sentence13: I would be happy to book this for you. Will you be booking for 5 people? Sentence14: I have the guesthouse called Avalon available. It has 4 stars and is moderately priced. It's in the north. Would you like me to book this? Sentence15: Yes for 5 people and 3 nights. Sentence16: No, thank you, that's all I need. Thanks for your help! Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]:
Answer: (B) System