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

Sentence1: I have 5 optionsd available,all have WiFi Sentence2: Do you know if any of them offer free wifi? Sentence3: Sure! We have 18 4 star guesthouses, would you like a specific part of town or price range? Sentence4: I'm needing a 4 star guest house today. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

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
Answer: (B) System

Sentence1: Sure! Where would you like to go? Sentence2: No problem, I have that room booked for you! Your reference number is going to be UYZISOD6 . Is there anything else that I can do for you? Sentence3: book it for 1 people and 2 nights starting from the same day. Sentence4: Of course. The train id is TR0635. Would you like me to book it for you? Sentence5: enjoy your stay in cambridge! Sentence6: Cambridge, from bishops stortford. Sentence7: No thank you, but, I need to find a particular hotel called Arbury Lodge Guesthouse. Sentence8: The first train sounds perfect. Can you give me the train ID please? Sentence9: sure, their phone number is 01223364319 Sentence10: nope that's it thanks for all of your help today Sentence11: The first train of the day leaves at 9:29 and then another departs every two hours. Sentence12: Can you help me find a train leaving after 8:15 on tuesday? Question: Who has spoken the sentence 10? (A) User (B) System

Answer: (A) User