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: Yes please. I'll need a table for 4 at 19:15 on Wednesday. Sentence2: Thank you for all of your help. I don't need anything else today. Sentence3: Yes, I also need a taxi to take me to the restaurant, so I will need to be there by 19:15. Sentence4: Yes! I'd like a phone number and address of one of those. Sentence5: Yes I am looking for a restaurant called cafe uno. Sentence6: Booking was successful. The table will be reserved for 15 minutes. Your reference number is BCM0D5Y2 . Is there anything else I can help you with? Sentence7: I found a restaurant named Caffe Uno at 32 Bridge Street City Centre, their number is 01223448620. Would you like me to make you a reservation? Sentence8: Alright I have you booked for a cab from All Saints to Caffe Uno, arriving by 19:15. Sentence9: Yes I have many architectural attractions would you be interested in those? Sentence10: Can I get the contact number and car type for the cab. Sentence11: Hi there! I'm looking for something fun to do in the center of town. What kind of attractions are there? Sentence12: It's going to be a blue toyota and the contact number is 07525945489. Is there anything else I can help with? Sentence13: Sure, all saints church phone is 01223452587. And address is Jesus Lane. Anything else? Sentence14: We are happy to help. Thank you for using our service. Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System