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: I would like to go to Norwich and leave on a Saturday. Sentence2: That should be it! Thank you for your assistance! Sentence3: There are 13 of them. Downing College on regent's street is free, you might be interested in it. Do you have any specific needs? Sentence4: Yes, please. I need 8 tickets and my reference number please. Sentence5: Yes I also need a train leaving after 12:45 from cambridge Sentence6: Their phone number is 01223334860. Is there anything else I can help you with? Sentence7: There is a train that leaves at 13:36 and arrives at 14:55, can I book you for that? Sentence8: Where are you wanting to go to and what day? Sentence9: I have 8 tickets booked for you and your reference number is 90IJJ88B . Sentence10: How about the phone number? Sentence11: Thank you for contacting us today, have a nice day. Sentence12: Hi, I'm looking for something to do in town. Are there any place like college I can visit in the centre of town? Question: Who has spoken the sentence 2? (A) User (B) System
Student:
Answer: (A) User