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 that's all that I needed for today. Sentence2: Thanks! Could you also help me find somewhere cheap to stay? Sentence3: Than you very much! Sentence4: A guesthouse will work out better and I need free parking too. Sentence5: I have several options for you, did you want to stay in a particular area? Sentence6: We have trains that go from early morning to late night, what is the route you will be taking and on what day? Sentence7: I'm looking for a train, but I don't want to have to get up too early. There's something that leaves after 8:15, right? Sentence8: book for 2 people and get me the reference number Sentence9: Alright, have a lovely day. Sentence10: I have the TR0797 departing at 08:40 and arrives at 09:08. Would you like me to book that for you? Sentence11: I need to get to Stansted Airport on Monday. Sentence12: Thank you, you too. Sentence13: I have 10 places you could stay. Would you prefer a guesthouse or hotel? Sentence14: Sure. The two of us want to stay for two nights starting Saturday. Sentence15: Sure! The reference number for this booking is QA51IFDT and the total fee with be 20.2 GBP payable at the station. Can I assist you with anything else? Sentence16: The area doesn't matter but I do need free wifi, please. Sentence17: Booking was successful.Reference number is : AVJ0CKBP . anything else? Sentence18: alexander bed and breakfast is a very nice place and it fits your needs. Shall I book it ? Question: Who has spoken the sentence 13? (A) User (B) System
Student:
Answer: (B) System