Teacher:You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? Solve this instance: Sentence1: i want to book a taxi. The taxi should go to the lensfield hotel and should depart from christ's college. Sentence2: Alright great! The car will be a red ford and the contact number is 07161667298. Sentence3: I need to leave after 21:30. Sentence4: What time should the car pick you up? Sentence5: Glad to be of service today. Have a good day. Goodbye. Sentence6: Awesome, thank you! That was all I was looking for today. Have a good one Question: Who has spoken the sentence 5? (A) User (B) System
Student:
Answer: (B) System