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 have many can I ask what area you would like it in? Sentence2: Sometimes we are provided information on the entrance fee, but unfortunately for this attraction we do not have it. Sentence3: Can I get information on 3 star hotels in the moderate price range? Sentence4: Absolutely, how many days will you need and the number of people in the room? Sentence5: The postcode is cb58nt. You will have to call to find out the entrance fee. The phone number is 01223902088. Sentence6: The Hobsons House is a guesthouse that is available. Would you like any additional information? Sentence7: No problem, I can afford it, why am I so worried? lol. That is everything I need, you were very helpful. Sentence8: What are some attractions on the east side? Is there a swimming pool available? Sentence9: The hotel should be of the guesthouse type and should be located in the west area. Sentence10: Can you book it for me? Sentence11: It was a pleasure helping you from the Cambridge TownInfo centre. Goodbye. Sentence12: Yes we have the abbey pool and astroturf pitch, is there anything else you need? Sentence13: Booking is confirmed. Reference number is : I57N7Y29 . May I assistance you with any additional assistance? Sentence14: oh you don't have that information? Sentence15: book it for 7 people and 2 nights starting from saturday. Sentence16: I need the postcodes and entrance fees please. Question: Who has spoken the sentence 2? (A) User (B) System
Output: 


Answer: (A) User