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: it is a park. can i give you their phone numbers? Sentence2: I'm glad I could help you. Sentence3: Hello, can you recommend attractions in the Centre of town, please? Sentence4: The booking was successful. 8QCQDYFQ is your reference number for that booking. Is there anything else that I can do for you? Sentence5: Enjoy your day, goodbye. Sentence6: Certainly, I can help you with that. What time would you like to leave or arrive by? Sentence7: No thanks. Can you find a guesthouse with free parking for me? Sentence8: That narrows it down to 21 options. Would you like a particular star rating? Sentence9: Yes, I will need it for 5 nights. 2 people and starting Monday. Sentence10: Your taxi will be a yellow Volvo waiting at 11:00. The contact number for the taxi is 07072119452. May I help you with something else? Sentence11: Great that's all the info I needed today, thanks! Sentence12: There are 21 guesthouses. Do you have a preference in price range or area of town? Sentence13: I will need a taxi as well Sentence14: Not really. It's fine. Sentence15: Well, if you'll be visiting the centre, I recommend the El Shaddai. It's moderately priced with wi-fi and parking. Would you like me to make a booking for you? Sentence16: Me too. Have a nice day. Sentence17: Absolutely! My favorite place in the center of town is Cambridge University Botanic Gardens. It's beautiful there! Sentence18: That sounds great, thank you very much! What type of attraction is that? Sentence19: No, but I definitely need free wifi. Sentence20: I would like to leave the park by 11:00. Question: Who has spoken the sentence 9? (A) User (B) System
Student:
Answer: (B) System