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: Cityroomz has 0 star rating, would you like to stay there? Sentence2: I have one that leaves cambridge at 9:36 and arrives in norwich at 10:55. Would you like me to book it for you? Sentence3: It's been a pleasure assisting you. Have a great day. Goodbye. Sentence4: Actually, no I will book it later but can I please get the price of the ticket and the travel time? Sentence5: i am going to norwich on tuesday Sentence6: The price for one ticket is 17.6 GBP which is payable at the station and it's a 79 minute ride. Sentence7: That won't be necessary, I will just need their address and phone number please. Sentence8: Can you tell me where you are looking to go to? Sentence9: Yes this hotel fits both those criteria. Would you like me to book it for you? Sentence10: Sure, their address is sleeperz hotel, station road and their phone number is 01223304050. Sentence11: I'd like a train leaving Cambridge after 09:30, please. Sentence12: Thanks so much. That's all I needed today. Sentence13: Fantastic. Where could I stay that has 0 stars? Sentence14: Is it in the moderate price range ? And in centre of town . Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System