Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Please find me a taxi? I'm at the el shaddai and I need to arrive by 21:15. Sentence2: I have a white bmv with a contact number of 07785490051. Sentence3: That will be fine, thank you very much. Sentence4: Thank you for contacting us and have a nice day. Sentence5: I'm going to cocum. Sentence6: I am finished. Thank you. Sentence7: What else can I do for you today? Sentence8: Okay. I will need your destination first. Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System