You will be given a definition of a task first, then some input 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: That's all I need, thanks! Sentence2: My destination is downing college. Sentence3: You're welcome. Have a great night! Sentence4: I need to leave from broughton house gallery Sentence5: Sure! what is your departure site? Sentence6: Sure! when would you like to arrive? Sentence7: Your booking is complete. The car type is a yellow skoda and the contact number is 07614934136. Sentence8: Ok, and what is your destination? Sentence9: I really need to get there by 16:30 please. Sentence10: I need a taxi today Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User