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: Okay, that's all the information I need for now. Thank you for your help. Sentence2: I am flying into the area and would love to find a nice guesthouse to accommodate me while I'm there. Sentence3: The phone number is 01223302579, and they are in the north part of town, they are located at between victoria road and the river. Sentence4: Does this hotel has internet? If yes, please give the address. Sentence5: Can you provide me with the phone number, address, and the area? Sentence6: Yes, it appears it is still open. Would you like more information on this pool? Sentence7: Yes, the acorn guest house has internet. Their address is 154 chesterton road. Is there anything else you needed help with? Sentence8: I don't care about price but would like one in the north that has free parking. Sentence9: you're welcome. anything else i can help you with? Sentence10: Yeah, is the Jesus Green Outdoor Pool still open? Sentence11: We have 24 guest houses available in Cambridge, do you have a specific area or price range in mind? Sentence12: The acorn guest house is moderately priced with a star rating of 4. How does that sound to you? Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User