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 would like to go to a college in the north. Sentence2: I do not have the information on the entrance fee. Sentence3: Is there anything else I can help you with today? Sentence4: The postcode for the Jesus Green Outdoor Pool is cb43px. What else can I help you with? Sentence5: Acorn guest house is in the north. It is moderately priced with 4 stars and includes internet and parking. The phone number is 01223353888 and postcode is cb41da Sentence6: Oh okay. How about a swimming pool instead? Sentence7: as long as it has 4 stars and free parking and in the same area as the swimming pool. I need price range, postcode and phone number Sentence8: Thank you so much! Sentence9: How much is admission to the pool? Sentence10: I need somewhere to stay in the north. With free parking and 4 stars. Sentence11: Cambridge has many different colleges, but none are in the north. Would you be interested in a different area, perhaps? Sentence12: There are many guesthouses to choose from in the north with these specifications, how about acorn house? When is the reservation for? Sentence13: That's all for now. Thank you. Sentence14: Actually, I was hoping you could help me. I am looking for colleges to visit in the north part of town. Sentence15: There are two swimming pools in north. Jesus green Outdoor Pool is between victoria road and the river. Sentence16: Either is fine. I need the postcode for the pool. Then I need to find a hotel. Sentence17: You are welcome, have a good day Sentence18: Can you tell me the name of the college? And the city it is located? Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System