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: How about the TR7852 train? It arrives in Stevenage at 14:10. Sentence2: I'm also looking a train. The train should leave on friday and should go to stevenage. Sentence3: Glad to give you the information, contact us again if you need more assistance. Sentence4: You don't need to book it for me, but could you tell me the travel time and price for that train? Sentence5: The price is 12.80 pounds and the duration of the trip would be 49 minutes. Sentence6: Yes I'd like to depart from cambridge and arrive by 16:15. Sentence7: Ah, yes. Cherry Hinton Hall and Grounds is an entertainment venue in the East. Would you like the phone number or postcode? Sentence8: Is there anything that arrives a little closer to 16:15 or is this the best option? Sentence9: Are you wanting to leave from Cambridge? Sentence10: Thank you so much, that's all I needed. Goodbye! Sentence11: Train TR8135 arrives by 16:10, shall we book that one for you? That is the closest one to that time. Sentence12: I am looking for an attracion called the cherry hinton hall and grounds. Sentence13: Sure! The phone number for the Cherry Hinton Hall and Grounds is 01223446104. Can I help you with anything else? Sentence14: Yes, may I please have the phone number? Question: Who has spoken the sentence 5? (A) User (B) System
Student:
Answer: (B) System