Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Would you like to book a reservation at Pizza Express? Sentence2: What is the food type at Pizza Express? Sentence3: Okay, thank you. Sentence4: Alright. let me know if there is anything else I can help you with. Sentence5: It is italian food. Sentence6: No, thank you! Sentence7: Pizza Express Fen Ditton is in the moderate price range. Sentence8: Can you give me the price for a large pizza and what type of pizzas they offer at Pizza Express fen ditton please Sentence9: Would you like me to book it for you? Sentence10: What is the price range of Pizza Express? Question: Who has spoken the sentence 7? (A) User (B) System
Output:
Answer: (B) System