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: I need the phone number for the hotel please. Sentence2: Yes is it a guesthouse? Sentence3: I'd like a 4 star in the cheap price range please. Sentence4: Great, how much is admission? Sentence5: Do you prefer a specific type of hotel or are you working on a budget? Sentence6: thank you. i also want a hotel to stay which should a have a star of 4 Sentence7: Booking completed! Your booked car type is blue audi and it will come at 20:15. The contact number is 07263502417. Anything else I can do for you today? Sentence8: Sorry, I don't have that information, but here is the phone number: 01 223 300 0085 if you would like more specifics. Sentence9: Yes it is, it's called worth house. Sentence10: i also need a taxi from the worth house to the adc theatre. i want to leave the hotel by 20:15. Sentence11: Great! Enjoy your show, and I hope you have a great stay! Sentence12: I have one fitting that. Would you like more info? Sentence13: Can you help find a theatre in the centre of town? Sentence14: I would like to stay in the north. Sentence15: Thank you that is all I needed. Sentence16: I can help you with that. How about the ADC Theatre? It is in the centre of town. Sentence17: What area would you like to stay in? Sentence18: The phone number is 01223316074. May I help with something else? Question: Who has spoken the sentence 15? (A) User (B) System
Output: 


Answer: (B) System