You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
One 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 is here: 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

Now, solve this: Sentence1: No, that should be all I need. Thank you! Goodbye. Sentence2: Absolutely. Their postcode is cb21en. Would you like to make a reservation? Sentence3: Morning! I need a train departing from kings lynn. Sentence4: The hotel does have free parking! It's called the lensfield hotel and has 3 stars. Sentence5: Yes, the ticket costs 9.80 pounds and the ride is 47 minutes long. Can I be of any other help to you today? Sentence6: Note yet. Can you tell me more about the hotel? Sentence7: I hope you enjoy your stay. Have a good day. Sentence8: There are trains from Kings Lynn every hour from 5:11. Did you have a particular day and time of day in mind? Sentence9: The Lensfield Hotel is in the south. It's a 3 star, expensive hotel, with free wifi and parking. Would you like me to make a reservation? Sentence10: Sounds good. Could you tell me how much it costs for a ticket, and how long of a trip that will be? Sentence11: How about the TR8331 Train? It departs at 11:11 and arrives in Cambridge at 11:58. Sentence12: There is 1 expensive hotel and 3 guesthouses ranging from cheap to moderate. Which do you prefer? Sentence13: The lensfield hotel is in the expensive price range. Would you like to make a reservation? Sentence14: Yes, my train should leave on tuesday and should leave after 11:00. Sentence15: Yes. I am also looking for a place to stay in the south with free wifi. What options are there for that? Sentence16: Could you tell me the postcode of this hotel? Sentence17: Not quite yet, but can you tell me the price range of the Lensfield, please? Sentence18: Does the hotel have free parking? Question: Who has spoken the sentence 11? (A) User (B) System
Solution:
Answer: (B) System