Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
See one example below:
Problem: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Solution: Answer: (A) User
Explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Problem: Sentence1: Hello! Are there any cheap restaurants in the centre? Sentence2: Thank you. That'll be all! Sentence3: I would need 6 tickets please and the reference number. Sentence4: I can help you with that. What is the date and time you need to travel? Sentence5: What time would you like to book and for how many people? Sentence6: The total fee is 48.48 GBP and is payable at the station. The reference number is J1U2HA9U . Sentence7: I can get you on one at 8:40. Would you like me to book it? Sentence8: There are 15! Are you looking for a particular type of cuisine? Sentence9: 16:00 on Friday please for 6 people. Sentence10: No just one that I can book for friday would be good. Sentence11: Your reference number is AZ5ZZKQ0 . Sentence12: zizzi cambridge is an italian restaurant in the centre, shall I book? Sentence13: Thank you, I also am looking for a train that goes from cambridge to stansted airport Sentence14: Thank you for using Cambridge TownInfo centre. Please consider us for your future travel needs. Sentence15: Yes, please. For 6 people. Sentence16: I can book you on TR5580 which will leave cambridge at 08:40 and arrive at stansted airport b 09:08. How many shall I book it for? Sentence17: Yes, can I also get the reference number? Sentence18: I need to arrive by 09:45 Saturday. Question: Who has spoken the sentence 9? (A) User (B) System
Solution:
Answer: (B) System