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: 3 people, please. And if I can also get the reference number. Sentence2: Does either one have a star of 4? Sentence3: University Arms Hotel is rated 4 stars. Would you like reservation? Sentence4: I have 70 trains. What day and time are you wanting to travel? Sentence5: You're welcome. Thank you. Goodbye Sentence6: Yes, thank you for your help! Sentence7: I have booked 3 tickets on the TR9025 train leaving at 11:59. Your Reference number is : 9JASQYBJ . Will that be all today? Sentence8: Are there any hotels in the centre that have free parking, please? Sentence9: There are two hotels available: the Gonville Hotel and University Arms Hotel. Would you like more information on them? Sentence10: Um, Sunday but after 11:15 Sentence11: Do they have internet and if so what is the address there? Sentence12: Thanks. I'm also looking for a train from cambridge to london liverpool street? Sentence13: They do have free wifi. They are located on regent street. Sentence14: okay how many tickets please? Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System