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: Sounds good, let me know if you need anything else. Sentence2: What time would you prefer? Sentence3: I have booked your taxi from ely train station to chiquito restaurant bar to arrive by 13:15. Booked car type red toyota, contact number 07582230600. May I help with anything else? Sentence4: No, that is it. Thanks! Sentence5: Hi. I would like to book a taxi to the Chiquito Restaurant Bar. I will need to be picked up at the Ely Train Station. Sentence6: I need to arrive by 13:15 please. Question: Who has spoken the sentence 5? (A) User (B) System
Solution:
Answer: (B) System