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: Can I get the phone numbers please? Sentence2: I have the Taj Tandoori that is in the expensive price range. This is the only option I have. Would you like a reservation? Sentence3: I'm looking for a place that has free wifi, in the expensive price range, and it should be a hotel with a 4 star rating. Sentence4: I'm looking to find a place to stay in Cambridge, if you could help me? Sentence5: Huntingdon marriott hotel's number is 01480446000. University Arms Hotel's number is 01223351241. Is there anything else I can help with? Sentence6: Sure! I can help you with that. Are there any particular amenities you are looking for in a hotel? Sentence7: No thank you. This is all the information I need at this time. Sentence8: There is huntingdon marriot hotel in the west and university arms hotel in the centre, do you want me to book you for one of them? Sentence9: Ok. Have a nice day! Sentence10: I also need a place to eat that serves indian food and should be in the south Question: Who has spoken the sentence 2? (A) User (B) System
Output: 


Answer: (A) User