Teacher: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? If you are still confused, see the following example:
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
Reason: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this instance: Sentence1: TR0060 leaves at 19:29 and arrives by 20:07. Does that work for you? Sentence2: I'm leaving from Bishops Stortford on Thursday. I'd like to leave after 18:30. Sentence3: Your reference is TTZCS4Y4, is there anything else you need? Sentence4: I am planning to visit Cambridge soon and need schedule information. Sentence5: No, that is everything I needed. Thank you. Sentence6: Can we try for 1 night instead of 3? Sentence7: Unfortunately they are all booked for that duration. Would you like to try another hotel? Sentence8: That's OK, I won't have a car with me. Can you book the Avalon for 3 people for 3 nights, starting Thursday? Sentence9: I am happy to help, when will you be traveling and where will you be coming from? Sentence10: Yes, those times are good for me. Would you give me the price and train ID, please. Sentence11: The Avalon is a 4 stars guesthouse in the north, the price is moderate. There is not free parking in this hotel. Sentence12: Thank you for contacting Cambridge TownInfo centre. Have a great time! Goodbye! Sentence13: The train id is TR0060 and the price is 10.10 pounds. Would you like me to book that for you? Sentence14: Not at this time, thanks. But I would like to look for some hotel information. A friend told me to check out the Avalon. What can you tell me about it? Question: Who has spoken the sentence 9? (A) User (B) System
Student:
Answer: (B) System