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: Nandos is a Portuguese restaurant in the south of town and is in the cheap price range. Sentence2: Have a wonderful day and enjoy your food. Sentence3: No, thank you goodbye Sentence4: I'm looking for a cheap restaurant in the south part of town. Sentence5: The address is 3-34 Saint Andrews Street, and the phone number is 01223 327908. Do you need anything else? Sentence6: Can I have the address and phone number? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System