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 was able to book your stay at the Acorn Guest House. Your reference number is SW8AC8GH . Sentence2: Great. If you think of anything else feel free to ask any time. Sentence3: Acorn Guest House is a really nice 4 star place. Free internet and parking too. Can I get you more information? Sentence4: The train ID is TR3267 and the travel time is 79 minutes. Is there anything else I can help you with or would you like to purchase tickets? Sentence5: Yes. Can you give me the train ID and the travel time? Sentence6: Okay I have found several options. Is there a particular area you want to stay in? Sentence7: There is a train departing Norwich at 21:16 on Saturday. Would this be ok? Sentence8: Thank you! That's all I needed. Sentence9: I need to book it for 6 people and 4 nights starting from the same day. Sentence10: Yes, I'd like something in the north, and in the moderate price range, please. Sentence11: There are many options. Is there a certain time you would like to leave? Sentence12: Hello I need to go to Cambridge and will be leaving on Saturday from Norwich, can you tell me what my train options are? Sentence13: I would also like to book a 4 star Guesthouse Sentence14: Yes, I would like to depart any time after 20:15. Question: Who has spoken the sentence 3? (A) User (B) System
Student:
Answer: (B) System