Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I would like to get a taxi to pick me up after 16:45. Sentence2: We can make that happen, but first I'll need to know your departure and destination locations. Sentence3: Okay. A blue volvo is booked for you. Sentence4: I will be going to Jesus College from the Nirala. Sentence5: Yes, the contact number is 07047852975. Is there anything else you need? Sentence6: That's all, thank you so much! Sentence7: You're very welcome. Please contact us again if you need anything else. Sentence8: Great, I will also need their contact number please. Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System