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 am getting the information up now, what day this week will you need that? Sentence2: Yes, they do! Would you like to book a room? Sentence3: Yes, go ahead and book this. I will need accommodations for 7 people. We need to book for 2 nights, starting on Sunday. Sentence4: Wow, there are 29 hotels that meet your criteria. Do you know which area of town you'd prefer to stay, or if a guesthouse is preferred over a hotel, or even how many stars or a price range of a possible location? There are so many to choose from! Sentence5: express by holiday in cambridge is the only hotel in the east it is expensively priced, do you want to go with that or include guestouses in a search? Sentence6: Enjoy your stay in Cambridge! Sentence7: 7 people, please. Sentence8: Your booking was successful. Your reference number is MULV4YIP . Sentence9: Can you help me find a train departing peterborough arriving by 14:30? Sentence10: No, I want to keep it in the type of hotel. Does this hotel have free wifi? Sentence11: On Sunday please Sentence12: Thank you . That is all I needed. Have a nice day. Sentence13: Train TR3782 fits your needs. For how many people ? Sentence14: Perfect. Can you also help me find a hotel while we're there? It should also have free parking. Sentence15: Yes your booking was successful and your reference number is 5WS52ANO . Sentence16: I would like to find a hotel on the east side. I need parking but wifi is not necessary. Question: Who has spoken the sentence 12? (A) User (B) System
Student:
Answer: (A) User