You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

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: Answer: (A) User
Why? 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: Sentence1: Okay, you are so welcome! Bye! Sentence2: How about the Funky Fun House on Mercers Row? Sentence3: OK, you have a table for 1 at The River Bar, reference #G2XQJ7B5 . Can I help you with anything else today? Sentence4: Thanks, that's all I needed today. Goodbye! Sentence5: I am also looking for a place to go for some entertainment in the east. Any Recommendations? Sentence6: Great, thanks for that. Are you able to also book me a taxi so I can commute between the two places? Sentence7: Yes, what time are you wanting to leave? Sentence8: You can call them at 01223304705. The address is 8 mercers row, mercers row industrial estate. Their entrance fee is unlisted Sentence9: Sure, can you give me the address, phone number and entrance fee. Thanks. Sentence10: There is one restaurant that serves modern european at a cheap price, it is the river bar steakhouse and grill in the centre of town. Would you like more information? Sentence11: im looking for a place that serves morden european food and with a cheap price range Sentence12: I have reserved you a taxi. they will be in a blue audi with the phone number 07033607984 if there is any issues. Sentence13: Could you book me a table there for 1 on Friday at 11:45? Sentence14: Well before 11:45 to make sure I don't miss the reservation would be good. Question: Who has spoken the sentence 10? (A) User (B) System
Solution:
Answer: (A) User