Teacher:You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? Solve this instance: Sentence1: That sounds fantastic! Thank you! Sentence2: Do they serve Christmas food? Sentence3: Anything else I can look up for you? Sentence4: Yes, what is the entrance fee and could you find me a restaurant in the moderate price range located in the centre town? Sentence5: There is the pizza express and the pizza express Fed Ditton. Would you like to book either one of these? Sentence6: It is free to enter, and would you like to eat at The Oak Bistro located at 6 Lensfield Road? Sentence7: No, I'm sorry, the serve British style cuisine. Are you still interested? Sentence8: Not in British food. Are there any that serve Italian food? Sentence9: Certainly, lynne strover gallery 23 high street, fen ditton, phone 01223295264 free to enter. Any other questions I can answer? Sentence10: Not a problem! I was glad to be of service. Thank you and have a great day! Sentence11: The number is 01223324033, is there anything else I can do? Sentence12: That is all. Thanks for your help. Sentence13: I'm looking to visit the Lynne Strover Gallery. Sentence14: Could you just give me the number for pizza express. Question: Who has spoken the sentence 7? (A) User (B) System
Student:
Answer: (B) System