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: That sounds interesting. Can you tell me their phone number and the cost of entrance? Sentence2: I am looking for a moderate priced place to dine in the centre area. Sentence3: Can you get me a taxi that could take me from the museum to the bistro? Sentence4: I was able to book that taxi for you. Be looking for a white Audi. If you need to contact them, their phone number is 07749170478. Anything else I can do? Sentence5: Entry is free and the phone number is 01223333516. Is there anything else I can help with? Sentence6: I want to leave the museum by 07:45. Sentence7: I don't really care. Can you please suggest one for me? And please include the postcode. Thanks. Sentence8: You're welcome and have a great day. Sentence9: I have several restaurants matching your request. What type of cuisine would you like? Sentence10: I would like to go to a museum. Are there any in the area? Sentence11: No, thank you. That's everything I needed today. Sentence12: What time would you like to travel between the two places? Sentence13: There are 11 different museums in city centre. I find the Museum of Archaeology and Anthropology to be fascinating. Would you like to learn more about them, or keep looking? Sentence14: I recommend The Oak Bistro. They serve British food and the postcode is cb21eg. Would you like me to book a table for you there? Sentence15: No thank you. I did want to go to an attraction in the same area of town. Sentence16: There are 44 attractions located in the centre of town like the restaurant. Is there a particular type you would like to visit? Question: Who has spoken the sentence 15? (A) User (B) System
Output: 


Answer: (B) System