TASK DEFINITION: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
PROBLEM: Sentence1: Can you check a swimming pool in the west of the city? Sentence2: Yes, there are no swimming pools located to the west of your city. Thank you, if you need help with anything else, contact us again. Sentence3: No thank you, that's all I needed. Sentence4: I have 3 hotels and 2 guesthouses in town centre. Would you like a cheap price range or expensive? Will you also need parking? Sentence5: Okay! Goodbye! Sentence6: I would prefer a guesthouse, and it does not need to include internet. Sentence7: If you change your mind and need a booking, we'll be here. Thanks for using our service! Sentence8: I'd prefer one in the same part of town as my hotel, are you sure there isn't one? Sentence9: We currently do not have any shown attraction in that area you are looking for. Are there any other further things I could assist with? Sentence10: Goodbye. And feel free to contact us if there's any other information you need, as well. Sentence11: The alexander bed and breakfast is a guesthouse in town centre in the cheap price range with a 4 star rating. Would you like to book a room? Sentence12: I am looking for a place to stay in the centre in Cambridge. Sentence13: I'm not showing a swimming pool in the East, but there are 2 in the North, will that work? Sentence14: I am also looking for an attraction, a swimming pool Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Would you like to book a room at the acorn guest house? It is in the moderate price range like the Hamilton Lodge. Sentence2: Nope. I think that is all I need. Thanks for your help! Sentence3: Yes that will be fine. Sentence4: Your booking was successful. Your reference number is 1WRSIG9U . Is there anything else I can help you with? Sentence5: Happy to help. Have a great day! Good-Bye! Sentence6: I am sorry the booking was unsuccessful,can I help you find another place in the same area? Sentence7: Yes please. I'd like a room for 5 people on Monday for 5 nights. Sentence8: Yes, this guesthouse is open. Do you need help with booking? Sentence9: How about another hotel in the same price range? Sentence10: Howdy! Is the Hamilton Lodge still open? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Can I have the address please? Sentence2: Certainly. The number is 01223 352500. Can I assist you any further? Sentence3: Yes. How about a restaurant serving british food? Sentence4: unfortunately there are no restaurants that suits you. do you want to try something else? Sentence5: Fitzbillies restaurant serves British food, is located in the center of town and is in the expensive price range. Sentence6: No, that was it. Thank you. Sentence7: May I have the phone number, please? Sentence8: fitzbillies restaurant is located at 51 Trumpington Street City Centre. Can I help you with anything else? Sentence9: Can you find me an expensive restaurant that serves steakhouse food? Sentence10: No it doesn't matter Sentence11: Thanks, have a nice day. Sentence12: I've found several British restaurants in the expensive price range. Does the area of town matter to you? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System