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: Perfect, I have train TR1472 that meets your criteria, would you like me to book a ticket for you? Sentence2: I can help you with that. Where are you traveling from? Sentence3: Book it for 3 people. Sentence4: Sure. Your train is booked. The fee will be 30.29 GBP and your reference number is 7FGDRE1Q . Sentence5: I need to find a place to stay as well. Can you help? Sentence6: I need to find a train into Cambridge that will arrive by 09:15. Sentence7: I will be leaving the Stansted Airport on Thursday. Sentence8: I need to know what you're looking for first. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Enjoy your travels! Let us know if we can be of any further assistance. Sentence2: TR8143 departs at 14:11 and arrives in Cambridge by 14:58, does this suit your needs? Sentence3: I need a train leaving from kings lynn. Sentence4: Yes, I'd like to travel on Wednesday, and I'd like to arrive in Cambridge no later than 15:30. Sentence5: There are no nightclubs in the west. Would you like to try another area? Sentence6: There are 133 trains leaving Kings Lynn, do you have a particular day you are traveling? Sentence7: They have free entrance. Their postcode is cb30ds. Sentence8: Could you look up a college instead then? Sentence9: I'm glad I could help. Sentence10: Churchill college is located in the west part of town. Sentence11: Yes it does. Can you verify the total travel time and price? Sentence12: Thank you goodbye. Sentence13: Thanks a lot, that's all. Sentence14: Sure - the travel time is 47 minutes, and the fee is 9.80GBP per ticket. Sentence15: I also need a nightclub in the west. Sentence16: Could you get me the postcode and entrance fee for there? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Thanks. I'm also looking for a restaurant in the same price range as the hotel can you help me out? Sentence2: I have booked a black honda for you that will arrive at 18:00. Please call 07851425026 if you need to adjust the pick up time. Do you need anything else? Sentence3: How about the acorn guest house? It has parking and wifi. Sentence4: I'm looking for a moderate price hotel in the north part of town. Sentence5: There are 10 hotels which match your requirements. Do you need parking? Sentence6: That will work. What is the phone number, address, and star rating for the hotel? Sentence7: Yes I need parking. Sentence8: Great thank you very much that's all the info I need. Sentence9: Yes, I actually need to arrive by 16:00 at the restaurant so the 18:00 will not work. Sentence10: That sounds good. I need a table for two at 16:00 on Thursday. Sentence11: I don't have fusion, but the nirala serves indian food in the north area, and is moderate priced. Sentence12: Great. Thank you for contacting Cambridge Towninfo Centre. Sentence13: I have booked you a grey BMW from Acorn Guesthouse to Nirala in time for your reservation at 16:00. Contact number is 00273193767. Is there anything else I can help you with? Sentence14: From the hotel to the restaurant, please. Sentence15: I found 11 moderately priced hotels on the north side. Is there a star rating you would prefer? What about parking or internet? Sentence16: Do you want to go from the restaurant to the hotel, or from the hotel to the restaurant? Your restaurant reservation is at 16:00. Sentence17: How about the the nirala? They are moderate price range and are in the north. Sentence18: Okay, I have that booked for you, Thursday at 16:00 for two people. Here is your reference number: W7R9KEYJ . They will hold your table for 15 minutes. Sentence19: Is there one that serves fusion food and if they don't, is there any that serve indian food? Sentence20: I don't care about star rating so much, but it the hotel needs to include free wifi. Sentence21: Sure, the phone number is 01223353888, the address is 154 Chesterton Road, and it has a 4 star rating. Sentence22: Wonderful, thanks. Can you also help me find a taxi that can take me from the restaurant to my hotel? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System