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: Yes, I've booked your table, they'll hold it for 15 minutes. Your reference number is 4ATJMY42 . Is there anything else I can help you with? Sentence2: kymmoy is in the expensive price range in the centre of town. Sentence3: The are on trinity lane and the post code is cb21tt. Is there anything else I can assist you with? Sentence4: Thank you and enjoy your stay in Cambridge! Sentence5: Yes, there are many places to visit near the restaurant. What kind of attraction did you have in mind? Sentence6: Yes, can you help me find some places to visit near the restaurant? Sentence7: I'm not sure. What is available? Sentence8: No, you've helped me with everything! Thanks, bye! Sentence9: Great, can I get the address and postcode. Sentence10: There is architecture, boat, cinema, college, concerthall, museum, nightclub, park, swimmingpool, theatre Sentence11: Its my first time in town, so I dont know which places are good. I am open to suggestions, so I will go with your recommendation Sentence12: Can you make a reservation for 5 people at 18:00 on wednesday for me please? Sentence13: old schools is a popular architecture attraction located on trinity lane. It is free to enter. Sentence14: Hello, I am traveling to Cambridge and I'd like to find an expensive place to dine in the centre. Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System