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: Thank you goodbye. Sentence2: Thank you and good bye to you as well. Sentence3: Are there any chinese restaurants on the east side of town? If so, what is the address, phone number and post code? Sentence4: no Sentence5: Hey, could you tell me if there are any panasian restaurants in the east side of town? Sentence6: I'm not finding any restaurants matching that description. Would you like to try searching a different area? Sentence7: yu garden is located at 529 newmarket road fen ditton. Its phone number is 01223 248882 and the postcode is CB58PA. Is there anything else I can help you with? Sentence8: OK. Would you like me to check for a different type of cuisine? Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User