Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: we have a lovely architecture called all saints church it is free admission Sentence2: That's all I needed. Thanks! Sentence3: I would like to try an expensive, italian place while visiting cambridge. Sentence4: How about cafe uno or don pasquale pizzeria? Sentence5: I love pizza that will work can I get the address? Sentence6: That's perfect, could you book me a table for 4 at 16:15 on Friday? Sentence7: Thank you for using our system today! Sentence8: can you suggest any attractions in the same area? I need the entrance fee if any and attraction type Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : DDLKGEVP . Sentence10: Yeah you were great. I will be sending your supervisor a compliment about you. Sentence11: You are welcome. I was happy to assist you. Sentence12: The address to Don Pasquale Pizzeria is 12 Market Hill at City Centre. Would you like the phone number too? Sentence13: I have 5 of them. 4 in the centre area and one in the south. Would you like more information? Sentence14: Staying in the centre would be more convenient. What are my choices? Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System