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'd like the one in the north, please? Sentence2: Sure, I can help you with that. When would you like to leave the park? Sentence3: Could I get the postcode, address and entrance fee for that location, please? Sentence4: okay, would you like me to book that for you Sentence5: Sure, there is Milton Country Park in the north. What would you like to know about it? Sentence6: Your Booking is complete the car type is a blue volkswagen and Contact number is 07433449642. May i assist you with something else? Sentence7: Please find a park in the north. Sentence8: Kymmoy's phone number is 01223311911 and the address is 52 Mill Road City Centre. Sentence9: Thanks. I also need an expensive restaurant. Do you know of any Asian Oriental places? Sentence10: I'd like to leave at 21:30. I'll need the contact number and car type, please? Sentence11: no, just their phone number and address please Sentence12: The address is milton country park, milton, the postcode is cb46az and it is totally free to enter. Can I assist you further today? Sentence13: We have two such places in the center and North of town. Do you have a preference? Sentence14: Now I would like to book a taxi to commute between those two locations. Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User