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: I'm sorry not hotels, guesthouses please. Sentence2: Honestly, I would prefer if you could suggest one as long as its moderately priced. Sentence3: I have many listings,could I get what star rating to would preferred? Sentence4: That's all I needed. Thank you. Sentence5: I am unable to book during that time slot on Thursday. Would you like to try a different time on Thursday or maybe a different day? Sentence6: The india house is in the expensive price range and located at 31 Newnham Road Newnham. Sentence7: Thanks. Could you reserve a table for 3 people at 16:30 on Thursday? Sentence8: Booking was successful. You will arrive at the India House by 15:30. Sentence9: How about 15:30? Sentence10: Yes, actually. I'll be needing a taxi between those two locations. Please make sure they can have me at the restaurant by my reservation time. Sentence11: There are no guesthouses in the expensive range in the north area. There are five options, in the moderate range, any other preferences? Sentence12: You're welcome. Have a nice day. Sentence13: That would be fine. Could you also find out some information about the india house restaurant? Sentence14: I'm sorry, but there are no expensive hotels in the north area. Could I check for one in the moderate price range for you? Sentence15: Alright. Does the acorn guest house sound okay? It's 4 stars with free internet and parking. Sentence16: Yes, please check one in the moderate range. Sentence17: Booking was successful. Your Reference number is : SP0ZTZU8 . Is there anything else I can help you with today? Sentence18: Hello, I'm looking for a hotel in the north, and I'd like the more expensive range please. Question: Who has spoken the sentence 12? (A) User (B) System
Solution:
Answer: (A) User