You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: I'm leaving from Cambridge and going to Birmingham New Street. Sentence2: There appear to be hourly trains from 05:01 to 23:01. Do you know what day and time you'd like to travel? Sentence3: You are welcome. Have a great trip. Bye. Sentence4: Wednesday and it should leave after 18:00. Sentence5: Can you also direct me to some attractions in town in the east? Sentence6: Ok, I have booked you 3 seats on that train. Your reference number is MI5RMEHQ . You'll need to pay 225.3 GBP at the station. Anything else I can do? Sentence7: That sounds good. Can you book that for me for 3 people? Sentence8: I'm planning my trip there, but need to find a train for when I depart. Could you help me with that? Sentence9: The TR1766 leaves at 18:01 and arrives at Birmingham new street at 20:44. Would that be OK? Sentence10: The address is 5 greens road and the phone is 01223902168. Is there anything else that i can do for you? Sentence11: That would be perfect. Can you give me the address and the phone number? Sentence12: Sure. From where will you be departing, and what is your destination? Sentence13: No, that is all. Thanks for your help. Sentence14: Of course! There are several attractions in the east. I'd suggest Cambridge Artworks; it's a museum with free entrance. Would that work for you? Question: Who has spoken the sentence 3? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: I have a restaurant in mind that I'm trying to eat at tonight. Sentence2: Great, can you give me the name? Sentence3: Expensive price range, please. Sentence4: I would also like to find a place to stay with free wifi and parking. Sentence5: Thanks for using our service today! Sentence6: I can make that reservation for you. Sentence7: Yes it's called Rice House. I would like to make a reservation there for 7 people at 16:30 on Saturday. Sentence8: Ok. Can I have the reference number for that reservation? Sentence9: Can you tell me how much you'd like to pay? I have hotels in the centre of town that are expensive and cheap. Sentence10: Great. Your booking was successful and your reference number is ZIF2SFKO . Sentence11: I have two matching that criteria. Do you want me to choose? Sentence12: Okay, your room reservation is for Gonville Hotel located at Gonville Place. Your reference number is ROQAGG58 . Anything else you need help with today? Sentence13: No, that will be all. Thank you. Sentence14: Yes, please. Book that one, saturday, 4 nights, 7 people. Question: Who has spoken the sentence 4? (A) User (B) System

Answer:
Answer: (A) User