You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I am sorry there are no tables available,can I help you find another place to eat? Sentence2: Yes there is availability. I made a reservation for Thursday at 13:30 for 2. The reference number is CBZ1WPRF . Is there anything else I can help you with? Sentence3: Could you help me find an expensive asian oriental restaurant? Sentence4: I need a different restaurant in the same area and price range please. Sentence5: Have a great day! Thank you for using our service Sentence6: I could try Little Seoul, which is Korean, or possibly HK Fusion Chinese. If you want. Would you like me to? Sentence7: Does the HK Fusion Chinese restaurant have availability on Thursday at 13:30? Sentence8: There are two restaurants. One located in the North area and Centre area. Which one would you prefer? Sentence9: Let's go with the centre. I need a reservation for 2 at 13:30 on Thursday. Sentence10: That is all, thanks, bye. Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System