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: the cambridge and county folk museum is located 2-3 castle street Sentence2: Yes, that would be great. There will be 7 of us. Sentence3: Do you have any 0 star places? Sentence4: Is there one in the moderate price range? Sentence5: I'd like to start on Friday please and stay for 3 nights. I will also need the reference number. Sentence6: Thanks, can you also give me the entrance fee, phone number, and postcode? Sentence7: Yes, Cityroomz is in the moderate price range. Would you like to make a reservation? Sentence8: Okay. Would you like to narrow it down by the area, price range, or type? Sentence9: I'd be happy to make a reservation for the 7 of you. I will need to know what day to start your reservation and for how many nights, please. Sentence10: I also need a place to stay. Sentence11: That will be all, and thanks so much for your help. Sentence12: I have 2 guesthouses and 1 hotel that are 0 stars, do you have a preference or want a particular area of town? Sentence13: I'm looking for the cambridge and county folk museum. Sentence14: The fee is 3.5 pounds, the number is 01223355159, and the code is cb30aq. Sentence15: Have a nice day. Sentence16: Your reservation for 7 people at Cityroomz this friday for 4 days 3 nights was successful. Your Reference number is : SOF4G9MY . Anything else I can do for you? Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System