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: Ok, you have a table for 4 on thursday at 17:45. Reference number is : G684TD29 . Can I help with anything else? Sentence2: In what area of town? Sentence3: It's been a pleasure to help you. Sentence4: i have 2 choices for you. anatolia is one and the other is efes restaurant. which do you prefer? Sentence5: I'd also like to try a Turkish restaurant. Is that possible? Sentence6: I don't mind changing the area. I just need moderate pricing and want something that serves Turkish food. Sentence7: Lets try anatolia. Sentence8: I'm sorry but the only restaurants in that part of town serve either Asian food or African food. Sentence9: yeah, i need something to eat. i'm starving. Sentence10: Ok great and when would you like a table booked? Sentence11: No that will be all. Thank you for your help! Goodbye Sentence12: For 4 people at 17:45 on friday please. Sentence13: I'd recommend allenbell on 517a coldham lane. Would you like me to book a room? Sentence14: Could you give me their phone number? I would like to verify that they have free parking. Sentence15: I'm sorry, we do not have any Australian restaurants in the moderate price range. Would you like to choose an alternate food type? Sentence16: Doesn't matter too much. I'd like a 4 star property, though, and would prefer one of the guesthouses. Sentence17: I'm looking for australian food in the moderate price range, any area is fine. Sentence18: I have 6 guesthouses and 1 hotel on the east side. What's your price range? Sentence19: Allenbell does have parking and the phone is 01223210353. Can I help with anything else? Sentence20: I want a place to stay in the east. Question: Who has spoken the sentence 9? (A) User (B) System
Student:
Answer: (B) System