Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Positive Example 1 -
Input: 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
Output: Answer: (A) User

Positive Example 2 -
Input: Sentence1: Guten Tag, I am staying overnight in Cambridge and need a place to sleep. I need free parking and internet. Sentence2: I have 4 different options for you. I have two cheaper guesthouses and two expensive hotels. Do you have a preference? Sentence3: No, but I'd really like to be on the south end of the city. Do any of those fit the bill? Sentence4: Sure. Does price matter? We can narrow it down and find exactly what you need. Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (B) System

Negative Example 1 -
Input: Sentence1: I am looking for a hotel named alyesbray lodge guest house. Sentence2: i have their info, what would you like to know? Sentence3: I would like to book a reservation for it. Can you help me with that? Sentence4: I sure can. First, I will need to know when you want your stay to begin and how many days you'll be staying. Also, how many people will be staying? Question: Who has spoken the sentence 1? (A) User (B) System
Output: Answer: (A) User

Negative Example 2 -
Input: Sentence1: Hi there! Can you give me some info on Cityroomz?. Sentence2: Cityroomz is located at Sleeperz Hotel, Station Road in the Centre area. It is a moderatley priced hotel with a 0 star rating. Would you like to book a room? Sentence3: Yes please. I need it for 7 people for 3 nights starting on tuesday. Sentence4: How many days would you like to book it for? Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (A) User

Now complete the following example -
Input: Sentence1: Great, both university arms hotel, and huntingdon marriott hotel are four stars. Can I book one of these for you? Sentence2: Thank you for using our system! Sentence3: Arriving on Saturday and departing on Monday, please, for two adults. I'll also need the phone number, postcode, and internet availability with my confirmation number, please. Sentence4: Book the Huntingdon Marriott please. Sentence5: Certainly, I'll just need the arrival and departure date as well as how many people will be staying. Sentence6: There are several Italian, European, and Chinese restaurants in that area, would you like one of those options? Sentence7: I am looking for a place to stay in an expensive price range. I don't need any free parking. Sentence8: A reservation at any will do. Please reserve a table for 3 at 19:15 on sunday. Sentence9: Lan hong house would be a good choice for Chinese. I will book that for you. Booking was successful. The table will be reserved for 15 minutes. Reference number is : US2BCO6D . Sentence10: Great, thanks a lot for your help! Sentence11: The phone number is--01480446000 The postcode is--pe296fl. Yes internet is available. Sentence12: Hi I need to find a restaurant in the Centre part of Cambridge that falls in the moderate price range, can you give me some suggestions please. Sentence13: I don't care about the area, I just want it to be a hotel type and not a guesthouse. Sentence14: I have 5 hotels in the expensive price range, would you like to stay in a particular area of town? Question: Who has spoken the sentence 11? (A) User (B) System
Output: 


Answer: (B) System