Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Problem:Sentence1: Great. Can I have the postcode for the Aplha-Milton guesthouse? Sentence2: Thank you. Again, I will be leaving from Stratford around 09:00 going to Cambridge and I would like to know the fair also. Sentence3: Can you tell me about cineworld cinema? I'd like a train into Cambridge on Thursday leaving around 09:00 also. I'll be leaving from Stratford. What is the fair? Thank you. Sentence4: Thank you, goodbye. Sentence5: The alpha-milton guest house is located in the north with postcode cb41xa and is 3 stars. Its phone number is 01223311625. Would you like me to book this? Sentence6: The Alpha-Milton guesthouse is a 3 star guesthouse located in the north. Sentence7: Forget the train for now, I need a 3 star guesthouse. Sentence8: Yes, please book it for me. Sentence9: Actually I don't want to book yet, I just am looking for the postcode and area of a guesthouse with 3 stars and moderately priced. Sentence10: Certainly. The postcode is cb41xa. Can I help you with anything else? Sentence11: Can I have the postcode and phone number, please? Sentence12: You're welcome. Have a great stay. Sentence13: You are all set, have a good time. Sentence14: I'm sorry, there seems to be an error. Would you please restate your requirements? Sentence15: Thanks for everything! Thats all I needed. Sentence16: OK, one at a time. Cineworld Cinema is located at cambridge leisure park, clifton way, in the south part of town. Sentence17: Can you tell me what day you are wanting to start your stay? Sentence18: The postcode is cb17dy and the phone number is 00872208000. Now, let's check on that train. Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User