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

[Q]: Sentence1: I would like a moderate price hotel in Cambridge. Sentence2: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence3: I'm not concerned about the area but it doesn't need to include internet. Sentence4: I will work on that and be back with you in a moment. Sentence5: Hi, I am planning a trip and could use some advice on a place to stay. Sentence6: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence7: Sure. What is your price range and what side of town will you be interested in? Sentence8: I have some moderate priced hotels in the north and center. Do you have a location preference? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Yes please book it for one person for 2 nights starting friday. Sentence2: Sure. Your booking was successful and I have a reference number for you. It is IBDDDIAJ . Sentence3: Thank you for using our service today. Sentence4: I'm looking to get some info on a hotel called cityroomz. Sentence5: Thank you very much for your help. Have a great day. Sentence6: I've found it, would you like me to book it for you? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: You're all set! Your car type is a yellow BMW and the contact number is 07365584187. Sentence2: I'd like to leave by 08:00. Sentence3: I want to arrive by 14:00 and it doesn't matter when I leave actually Sentence4: Bye, have a great night! Sentence5: Ok, when do you want to arrive? Sentence6: Certainly, and do you know what time you would like to leave? Sentence7: Thank you so much. You have been so helpful. Goodbye. Sentence8: I need a taxi to come to rajmahal and want to go to kohinoor. Question: Who has spoken the sentence 4? (A) User (B) System
[A]:
Answer: (A) User