Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Thank you for using our system. Goodbye. Sentence2: that's all, thanks! Sentence3: Bedouin is located at 100 mill road city centre and the postcode is CB12BD. Is there anything else I can help with? Sentence4: Hello, I am looking for a restaurant that serves African food. Sentence5: What are the address and postcode, please? Sentence6: There is an African restaurant in the centre area called Bedouin. Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System