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: I suggest the slug and lettuce on Green Street. Would you like me to make a booking? Sentence2: Anything in particular you like to do? Sentence3: Okay, I have booked your taxi. It will be a black Volkswagen and your contact number is: 07019317320. Is there anything else? Sentence4: 01223576412 is the phone number. What else can I assist you with today? Sentence5: No thanks, I just need the phone number please. Sentence6: I will need to be picked up by 5. Sentence7: Nope. I am all done. Thanks. Sentence8: You're welcome, have a great day. Sentence9: Please find an expensive restaurant in the centre. Sentence10: I also need a taxi to go between the two. Sentence11: How about a multiple sports place near that restaurant. Sentence12: From the Cherry Hinton Village Center, please. Sentence13: Which place do you want to be picked up from? Sentence14: Yes, please, I need a table for 8 on Tuesday at 17:45. Sentence15: There are many to choose from. What kind of food are you interested in? Asian, gastropub, indian, eupopean? Any idea? Sentence16: Sure, where and when would you like to be picked up? Sentence17: I'd like to find a place to go in town Sentence18: I got your table all booked, your reference # is: O33823V4 . Can I help with anything else today? Sentence19: A gastropub sounds great. Sentence20: the cherry hinton village center is in the east, would you like the address? Question: Who has spoken the sentence 4? (A) User (B) System
Output:
Answer: (A) User