You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Sure! It is a black Toyota and the contact number is 07604345180 Sentence2: Could you tell me where you would like to leave from? Sentence3: I am leaving from the Shiraz restaurant. Can I get the car type and contact number please? Sentence4: Thanks, that all I need today. Sentence5: I need a taxi to take me to Thanh Binh and I should arrive before 22:15. Sentence6: Thank you! If you need anymore help, feel free to contact us at any time. Have a great day! Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System