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: How many people and what time would you like me to make your reservation? Sentence2: on tuesday. book and give me the reference number Sentence3: There is parkside pools. Their address is gonville place. Sentence4: Sure for what day? Sentence5: Okay, what are the hours they're open? Sentence6: How about a swimming pool? Sentence7: Hello, I am looking for a local restaurant that serves indian food and is located in the centre of town. Sentence8: I have a party of 8 and need it for 14:45. Can you help me with that? Sentence9: I do not have that information. Sentence10: I was looking for something for a type of multiple sports. Sentence11: I would like it to be an expensive place to eat. Sentence12: Booking was successful. The table will be reserved for 15 minutes. Reference number is : KGMVNKJM . Sentence13: I would actually like to book a table for tuesday. Sentence14: I recommend curry king. their phone number is 01223324351. Sentence15: I dont have that in the centre. Would you like to try something else ? Sentence16: We have nine Indian restaurants in the centre. If you have a price range preference, we have both cheap and expensive options. Sentence17: Have a good time! Good bye. Sentence18: Hm, there are quite a number of places to visit in the town centre. Could you give me an idea of what you're looking for? A museum or church? Or something different? Sentence19: Okay, that's all I need. Good bye. Sentence20: I would also like to find some where fun to go in the centre of town. Question: Who has spoken the sentence 6? (A) User (B) System
Output: 


Answer: (A) User