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 want to confirm this, do i book for 1 person? Sentence2: The south part of town,please Sentence3: I have your booking completed and your reference number is: Z38G5W6W . Is there anything else I can help you with? Sentence4: I actually needed a room for 8 and 4 nights starting from Friday. Sentence5: You are welcome, have a great day. Sentence6: Nope, that's it! Thank you so much. Sentence7: book for two Sentence8: Yes what area are you looking to stay in? Sentence9: The museum is located on Sidgwick Avenue in the west and it is free to get in. Do you need any other information? Sentence10: Can you give me information about the museum of classical archaeology? Sentence11: Thank you! Can you help me find a place to stay while I am there? Sentence12: the aylesbray lodge guest house is moderately priced and is located at 5 mowbray road. would you like me to make a reserevation? Sentence13: Yes I need the phone number. Sentence14: Yes. I would like to make a reservation for 8 for Friday. Sentence15: We are showing to guest houses in the south area. Do you have a price preference? Sentence16: Okay I've fixed your reservation and the reference number is XTX3KFP2 . Is there anything else you need? Sentence17: The phone number is 01223335153. Sentence18: No, I don't care about the price of the place. Sentence19: I would like a star of 4, free parking and free wifi. Sentence20: We have 4 options, any other preferences to help narrow things down? Question: Who has spoken the sentence 5? (A) User (B) System
Student:
Answer: (B) System