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: Glad to know that there is no entrance fee, I go with whatever you recommend. Ill need the phone number and postal code of whatever place you pick. Sentence2: Have a great day Sentence3: Yes, can I get the entrance fee? Sentence4: Yes, I'm looking for some sports activities in the same area. Are there any places like that nearby? Sentence5: I want it to be in the moderate price range. Sentence6: The phone number is 01223324033, do you need any more help? Sentence7: Personally, I love the Museum of Archaeology and Anthropology. The phone number is 01223333516 and the postcode is cb23dz. Is there anything else I can help you with today? Sentence8: I'm sorry, there are no sports activities in the centre. Would you like to try another area? Sentence9: The two Italian restaurants in the area are Pizza Express on Regent Street and Pizza Express Fen Ditton. Would you like to reserve a table? Sentence10: There are several. Are interested in art, archaeology or the history of science? All are free, by the way. Sentence11: I'm looking for an italian restaurant in the centre. What is available? Sentence12: Can you give me the phone number of the one on Regent Street? Sentence13: No, can you tell me if there are any museums in the same area? Sentence14: I have a couple I can recommend for you, is there a certain price range you would like to stay in? Sentence15: It is free admittance. Sentence16: Great, thanks! That's all I need today. Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User