Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: You're welcome. Enjoy your meal. Sentence2: I am sorry there are no listings for that type of place, can I help you find one in another area? Sentence3: No, that should be all, thanks! Sentence4: Sure, I've booked you at Ask with reference number LK2P76OS . May I help with anything else? Sentence5: How about ones that serve italian food? Sentence6: Yes please book a table for 1 on wednesday at 14:00 please. Sentence7: I have 3 cheap Italian restaurants located in the centre of the city. Would you like to hear them? Sentence8: I am sorry but there is no traditional food in the cheap price range. Do you want a different type of cuisine or price range? Sentence9: Are there any cheap places to eat that serve traditional food in other areas of the city? Sentence10: I need a place to eat that serves traditional food in the centre. Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System