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: Thanks for all your help! That will be all. Goodbye. Sentence2: It doesn't matter to me. Is there anything available? Sentence3: Your reservation for 3 tickets on the TR2512 train at 23.60 person was successful, the total fee is 70.8 GBP payable at the station. Your Reference number is : 1MKW1ZCT . Sentence4: No I diffidently want a hotel. Ashley sounds good can I book a stay on Thursday? Sentence5: I need 3 people for 5 nights starting thursday Sentence6: I'm looking for moderately priced rooms. I'm willing to pay for parking, though. Sentence7: Well, we have three hotels, the Ashley, Cityroomz, and Lovell Lodge, as well as fifteen guesthouses. Would you like to know about any of them? Sentence8: Where will you be departing from? Sentence9: Thank you for using our service today! Sentence10: That's perfect! Please make a booking for 3 and provide the reference number once you're done. Thanks! Sentence11: I will be leaving London kings cross. I need to be in Cambridge by 15:45. Sentence12: Sure, how many people and how many days do you want to stay? Sentence13: What area of town are you looking to stay in? Sentence14: Booking was successful. Reference number is : 3UJ7212U . Sentence15: I also need a train leaving the same day as hotel Sentence16: There is a 13:17 that would arrive by 14:08. Would that work? Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User