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: It is a hotel. Is that ok? Sentence2: Im sorry I have nothing matching that criteria can we adjust the amenities? Sentence3: the cambridge belfry's phone number is 01954714600. Sentence4: I I need a hotel located in the west with free wifi and parking. Sentence5: Yes please. I'm also looking for a hotel in the west. I need free parking and wifi available. Thanks so much. Sentence6: The Cambridge Belfry is in the cheap range but has 4 stars, would that work? Internet and parking are available. Sentence7: Do you have a train that arrives closer to 20:15. Sentence8: Yes, TR9561 arrives at 19:27. Would you like to book that train? Sentence9: I have many trains available between Cambridge and Liverpool Street. What day are you looking to travel? Sentence10: I have train TR7299 that leaves at 5:59 and arrives at 7:27. Would you like to book that? Sentence11: Would you like me to book that for you? Sentence12: You're welcome. Is there anything else that I can help you with? Sentence13: No thank you very much. Sentence14: And the Cambridge Belfry is a hotel or guesthouse? Sentence15: Have a great time. Sentence16: That is perfect. Thank you. Sentence17: No, I don't need a booking. You have given me all the information I need, for now. Thank you so much. Sentence18: Will you needing a reference number? Sentence19: Sounds great, thanks! What is their phone number? Sentence20: I am looking for a train going from cambridge to london liverpool street Sentence21: Your train was booked successfully for 7 people. Your reference number is MQRGDBZA . There are many hotels located in the west. Are you looking for something in a certain price range? Sentence22: I would like to travel on Tuesday and I would like to arrive by 20:15 please. Sentence23: A 3 star hotel in the cheap price range Sentence24: Yes, I need 7 tickets. Question: Who has spoken the sentence 18? (A) User (B) System
Student:
Answer: (A) User