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'm also looking for a train that leaves after 15:15 that arrives at Birmingham New Street. Sentence2: Perhaps there is one that serves Indian food. Indian food is also good. Sentence3: The Kohinoor sounds good. Could you book a table for 2 for me? Sentence4: It's for around 12:45 on Wednesday. And that was for 2 people please. Can I get the reference number then too please? Sentence5: Can I recommend Kohinoor? They serve budget friendly Indian food in the centre of town. Sentence6: I was able to book a table for you at 12:45. The reference number is 0CUR7IQX . Sentence7: Unfortunately, there are no German restaurants in the price range you requested. Would you like a different restaurant? Sentence8: I'd be happy to reserve your table. What time would you like to dine? Sentence9: Thanks, could you book 2 tickets and let me know the reference number please? Sentence10: I want to find a German restaurant please that's in the cheap price range. Sentence11: Please book trainid TR8952 leaving cambridge at 16:01. Sentence12: That's everything. Thank you very much! Sentence13: Booked! Reference number is FGBPBWP1 . Total fee is 150.19 GBP, paid at the station. Anything else? Sentence14: You are very welcome. Enjoy your day. Question: Who has spoken the sentence 2? (A) User (B) System
Student:
Answer: (A) User