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: looking for a train going to Cambridge. Sentence2: How about TR3350 that leaves at 05:17? Sentence3: you can book it. get me the reference number too Sentence4: I am leaving on Sunday and need to arrive by 13:00 Sentence5: Thank you for using our services. Sentence6: Thank you that is all I needed. Sentence7: W8YHJKSV is the reference number Sentence8: What day and time are you wanting to travel? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: How about the Hundington Marriott Hotel in the west? It gets 4 stars. Sentence2: Is that a 1 star hotel? Sentence3: I do not have a preference on the area. Sentence4: Can you look for a 4 star hotel in the same price range? Sentence5: No thank you that will be all Sentence6: Okay, in what area? Sentence7: Yes, it is called Nusha. Sentence8: Well, if you are sure, I hope you have a great visit! Thank you. Sentence9: Maybe I could help. Do you know the name of it? Sentence10: I would recommend the university arms hotel, which is centrally-located and offers free wifi and parking. Does that interest you? Sentence11: I've located Nusha and it's in the South. It's located in Cambridge Leisure Park on Clifton Road. Sentence12: Ok, thank you. I also need to find a hotel that is expensive. Sentence13: I have an attraction in mind that I need help finding. Sentence14: No. I'm sorry. It's not a 1 star establishment. Is there anything else I can help you with today? Question: Who has spoken the sentence 9? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: The price range at the Avalon is moderate. Do you have any more questions? Sentence2: Cool. Thanks I'm good now. Goodbye. Sentence3: First could you tell me the price range for the Avalon? Sentence4: I would really like a four star guesthouse in the north area, I don't need parking. Sentence5: I would prefer a guesthouse thats 4 star rated. Do either of those fit the bill? Sentence6: Yes both have free internet. Which one do you prefer? Sentence7: You have a wonderful day! Sentence8: Good evening. I'm kind of in a situation. The hotel I had planned to stay was overbooked and I need to find me a room pretty quickly. Can you help? Sentence9: Yes they does, but no free parking though. Sentence10: Not really. But it should be in the North. Sentence11: No, I'm afraid they're both two stars. Would you like to try one of them anyway? Sentence12: Yes, can you confirm if the Avalon has Internet, please? Sentence13: There are many hotels available, do you have any preferences to price or area? Sentence14: There are two hotels on the north end, the Ashley Hotel and the Lovell Lodge. Which would you like? Sentence15: Okay, I've found several place that meet those requirements. I suggest the Avalon. Would you like me to make a reservation for you? Sentence16: Do they have free wifi at either of them? Question: Who has spoken the sentence 7? (A) User (B) System

Answer:
Answer: (B) System