Given the task definition, example input & output, solve the new input case.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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
Output: Answer: (A) User
The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input case for you: Sentence1: How about moderate priced guesthouses that are 4 stars? Sentence2: Sure, please provide the address and phone number as well. Sentence3: Yes, how about the acorn guest house? Sentence4: I'm sorry, I would prefer an expensive guesthouse that includes free parking. Sentence5: I'm sorry. I'm not finding any results that meet your criteria. Would you like to try a different hotel type or price range? Sentence6: The Acorn Guest House is a very popular hotel. Their phone number is 01223353888 and address is 154 chesterton road. Would you like to book a room? Sentence7: Yes, the phone number is 01223352607. Sentence8: Could I get the address as well? Sentence9: It looks like there aren't any 4 star guesthouses that are expensive. Would you like me to try a different star rating or price? Sentence10: I'm looking for an italian restaurant that is moderately priced. Sentence11: Booking was successful. The table will be reserved for 15 minutes. Reference number is G9YTGB8M . Do you need anything else? Sentence12: how about a moderate price range? Sentence13: Stazione restaurant and coffee bar is available Sentence14: I'm looking for an expensive guesthouse with a 4 star rating which provides free parking. Is that possible? Sentence15: Could you give me the address and phone number of both please? Sentence16: The address is Market Hill City Centre. Is there anything else you need? Sentence17: No thank you I don't need reservations today. Sentence18: Is there anything more I can assist you with today? Sentence19: No. All set. Thanks. Sentence20: Thank you for contacting us and have a nice day. Sentence21: We have 9 moderately priced guesthouses that are 4 stars and provide free parking. Would you like a recommendation from me? Sentence22: I would like to book a table there for 6 people at 11:00 on sunday. Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User