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: Sure, for how many people? Sentence2: what type of food do they serve? Sentence3: Yes British food is fine,can you reserve a table ? Sentence4: Can you also please find an expensive restaurant in the centre. Sentence5: It is located at The Grafton Center East Road Sentence6: Is there a type of food you would like? Sentence7: Sorry, you know what, I'll just walk in and demand they seat me. That also works out so well. That's all I need today, thanks! Sentence8: How about the midsummer house restaurant? It is located at Midsummer common in the centre. Sentence9: Could you give me the phone number? Sentence10: They serve British food. Will that work for you? Sentence11: The phone number is 08712240240. Sentence12: thank you. enjoy your stay. Sentence13: No any restaurant would be okay I just need the type of food they serve. Sentence14: I'm looking for information on the Vue Cinema please? Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User