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: I'm departing from the oak bistro. Sentence2: I have the taxi ready for you Sentence3: I would like to leave after 17:00. Sentence4: Hi, I need a tax to queens' college please. Sentence5: What time would you like to leave? Sentence6: What is your departure site? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Kymmoy is in the centre of town and the phone number is 01223 311911. May I help you with anything else? Sentence2: Thank you, I have all I need. Goodbye! Sentence3: What is the phone number and area? Sentence4: Is there any expensive restaurants in town serving Australian food? Sentence5: You're welcome. Thanks for your call! Goodbye. Sentence6: Kymmoy is an expensive asian oriental restraunt in town. Sentence7: I'm sorry, there are no Australian restaurants. Would you like another type of food? Sentence8: How about asian oriental food? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Hi I need to know which train will take me to Cambridge on Monday, can you help me? Sentence2: Sure! It's 01223446100. Can I help you with anything else? Sentence3: I will need the price, travel time, and train id first please. Also looking for a park to go in town. Sentence4: We have 5 parks throughout the city, 2 in the south, 1 in the north, east, and centre. Would you like more information on any of these? Sentence5: No problem. Thanks for using Cambridge TownInfo. Goodbye. Sentence6: In the East we Cherry Hinton Water Play park, it is free to enter. Would you like the phone number or address? Sentence7: Which one is in the east? Sentence8: That's okay, can you tell me about parks in town? Sentence9: Yes I have a 13:11 that arrives in Cambridge from Kings Lynn by 13:58. Would you like me to book that for you? Sentence10: Train TR4329 has a travel time of 47 minutes with a cost of 9.80 pounds. I'd be happy to book that for you. Sentence11: What is the price please? Sentence12: I will be departing Kings Lynn after 12:00 Sentence13: TR0415 leaves at 17:58. can i help you book? Sentence14: If i could just get the phone number that would be great. Sentence15: No, that will be all for today. Thank you! Sentence16: There are 202 potential matches for your criteria. Where would you be coming from that day? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION:
Answer: (B) System