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: great saint mary's church is an architecture attraction in the centre of town. Their phone number is 01223350914. Sentence2: I can't look at a hotel because you didn't read correctly and didn't select hotel. Thanks Sentence3: Yes they do. Should i book a room for you there? Sentence4: I would prefer a 4 star. can you recommend one and give me their price range? Sentence5: There are many! Do you need parking? Sentence6: I am looking for great saint mary's church in Cambridge Sentence7: Sorry! Do you have any 4-star guest houses available? I don't care about the price range, I just need to know what it is. Sentence8: That would be fine. Do they offer free parking? Sentence9: i got seven options one of them is cheap and the rest are moderate Sentence10: yes we have four of them in the area Sentence11: i could like to know what kind of attraction type it is, its area and phone number Sentence12: Cambridge has quite a few guesthouses. Do you prefer a particular area of town? Sentence13: Any price range will work, whatever you recommend. I need a 4 star guesthouse with free wifi. Just let me know the price range and of the have free parking. Sentence14: You've given me all the information I need today. Thank you. Sentence15: Is free wifi offered here? Sentence16: Do you have any in the north? Sentence17: your welcome, have a great day! Sentence18: Yes, it does have free wifi as well. Would you like to continue with the reservation? Sentence19: to narrow our options, can you tell me your price range? Sentence20: Okay, I'm also looking for a place to say. Needs to be a guesthouse with free wifi. Sentence21: I've located that for you. What would you like to know about it? Sentence22: Yes the north area please. Sentence23: I do need parking. Sentence24: Sure, do you care about price or star ratings? Sentence25: I would recommend acorn guesthouse. I hear it's quite nice. Would you like me to book it for you? Sentence26: Thank you, I'll take the moderate price that is 4 stars. Question: Who has spoken the sentence 15? (A) User (B) System
Student:
Answer: (B) System