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? If you are still confused, see the following example:
Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Solution: Answer: (A) User
Reason: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this instance: Sentence1: they are many here. we can narrow them down by stating how many stars you want. Sentence2: I've got another request I need assistance with please. I am looking to Stansted Airport via train and need help booking it. Sentence3: that could be anywhere. book for me for 3 people and 4 nightsstarting from sunday. Sentence4: Okay sounds good can you make a booking for 3 people and 4 nights starting from sunday. Sentence5: No, but I'd like it to be moderately priced. Sentence6: Please help me find a guesthouse or hotel that has free parking. I prefer a guesthouse though. Sentence7: Sure, do you know what day you're traveling? Sentence8: There are many. Is there a particular area you prefer? Sentence9: The acorn guest house is a good option for you. Sentence10: Where will you be departing from? Sentence11: I will travel on Thursday. Sentence12: Great! I booked that room for you. Here is your reference number RKBQJ4LX . Question: Who has spoken the sentence 11? (A) User (B) System
Student:
Answer: (B) System