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! Have a nice day! Goodbye! Sentence2: Okay, and what is the address and phone number for the Abbey Pool? Sentence3: I'd also love to go to a swimming pool. Can you find me one? Sentence4: I have a red ford contract number: 07657516003. Is there anything else I can help you with? Sentence5: Thank you. Does this guesthouse provide internet? Sentence6: Unfortunately I do not know the price. You can call them at 01223902088 for more information. Sentence7: Yes, would you like me to book a stay for you today? Sentence8: I'd like you to book me a taxi from the Warkworth House to Abbey pool please. I need to leave the hotel by 8:30. Sentence9: Oh thank you for that information. Are they reasonable? Sentence10: In the same area, you'll find the Abbey Pool and Astroturf Patch. Sentence11: The phone number is 01223902088 and the address is pool way, whitehill road, off newmarket road. Is there anything else I can help you with today? Sentence12: It is moderately priced, 4 stars, and internet is available. Sentence13: That should be all. Thank you! Sentence14: Right now I am just gathering information. What is it's price range, star of the hotel, and also is internet available? Sentence15: I am looking for information for Warkworth House. Sentence16: Certainly. The Warkworth House is a 4 star, moderately priced guesthouse located in the east area. The address is Warkworth Terrace, postcode cb11ee. The phone number is 01223363682. Question: Who has spoken the sentence 2? (A) User (B) System
Output: 


Answer: (A) User