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: Yes. After dinner I'd like to go to parkside pools. What is the address and postcode? Sentence2: Are you sure the entrance fee isn't listed? It should be. Sentence3: Thank you so much for all your help. That will be everything today. Sentence4: Yes hi, I'm looking for an expensive place to dine. Sentence5: Restaurant Two Two serves French food and is very expensive. Will that work for you? Sentence6: I can provide that for you. Parkside pools is located on Gonville Place and their postcode is cb11ly. Can I help with anything else? Sentence7: The north that serves tuscan food and is insanely expensive, money is no object. Sentence8: Did you have a particular area you would like to visit? Sentence9: That sounds lovely. What's their phone number, address and postcode? Sentence10: The entrance fee isn't listed, but the attraction type is swimmingpool, and the number is 01223446100. Sentence11: Yes, can I also get their entrance fee, phone number, and attraction type, please? Sentence12: No, the entrance fee is not listed. Sentence13: We have no matching records for that. Would you like to change something? Sentence14: Your welcome. Have a great day? Sentence15: That is disappointing. How about some French food? Sentence16: Their phone number is 01223351880. They are located at 22 Chesterton Road Chesterton, post code cb43ax. Is there anything else I can help you with tonight? Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System