Given the task definition, example input & output, solve the new input case.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User
The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input case for you: Sentence1: Ok, that is all the information I need. Thank you. Sentence2: There is a train departing Stevenage at 7:54 Thursday, and arriving in Cambridge at 8:53. Sentence3: Can you tell me how long the trip will take? Sentence4: You're welcome. Thank you for calling the Cambridge TownInfo Centre. Have a great day! Sentence5: The travel time is 49 minutes. Sentence6: I'm looking for a train to take 5me to Cambridge. Sentence7: Okay and when would you like to leave? Sentence8: I would like to leave from Stevenage on Thursday and get to cambridge by 9:15. Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System