You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Would you like to try sala thong? It is in the west part of town. Sentence2: Can I get the Funky Fun House's phone number please? I think I'll call them and check on it. Sentence3: Sure I can help with that. How many people shall I make the reservation for? Sentence4: Reference number is : W2OO5LNF . Is there anything else? Sentence5: 01223323178 is the phone number Sentence6: There will be five people, can I get the phone number in case I have to change it? Sentence7: That sounds good. Can you book me a table on Thursday at 16:30? Sentence8: Can you help me find a fun place to visit in the east part of town? Sentence9: Thanks, so can you make the reservation for me? Sentence10: You're welcome! Have a great day! Sentence11: Okay great! That's all I needed. Thank you! Sentence12: Please help me find an expensive thai restaurant. Sentence13: The phone number is 01223304705. Sentence14: How about the Funky Fun House for entertainment? It's in the east, but I don't have any information on the entrance fee. Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System