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: Yes thanks, that will be all. Sentence2: There are 7 guesthouses available in the north that are moderately prices and four stars. Would you like to book one of these rooms? Sentence3: We have 11 places to stay in the north. Do you prefer a guesthouse or hotel? And do you need internet or parking? Sentence4: Can I have their phone number, please? Sentence5: I'd prefer a guesthouse. A 4 star one, if possible. Sentence6: Sure, it is 01223300552 Sentence7: Do any have both free parking and internet? If so, I'll need their phone number. Sentence8: I need a train going to Cambridge that'll leave after 12:15. Sentence9: what day of the week do you want to travel Sentence10: The limehouse meets your needs including internet and wifi, shall I book you or provide more info? Sentence11: The TR3257 leaves at 13:39 for 16.60 pounds. Would you like me to book that for you? Sentence12: The train is number TR3257. It arrives in cambridge at 15:07. How many tickets would you like? Sentence13: Yes. Also, what will be the arrival time? And, what is the train ID? Thanks so much! Sentence14: It was a pleasure to help today. Have a good afternoon. Bye. Sentence15: No, that is all I need. Thank you! Sentence16: i am, Also looking for a place to stay. The hotel should be in the north and should be in the moderate price range Sentence17: Thank you for using our services. Have we met all of your needs today? Sentence18: Trusday, I need to leave by the london liverpool street station. Question: Who has spoken the sentence 3? (A) User (B) System
Student:
Answer: (B) System