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: I will get there on Saturday. Sentence2: Yes, I am looking for a 3 star hotel in the expensive price range that includes free parking in the South. Sentence3: Yes please, for 4 people for 3 nights Sentence4: Sure thing! Broughton House Gallery is located at 98 King Street in Centre and the postcode is cb11In. Can I help you further today? Sentence5: I'd like to find a museum to visit Sentence6: You will be picked up by a blue audi. their contact number is 07805502716 Sentence7: I need a reference number for the hotel. Sentence8: I have your rooms booked! What else can I do? Sentence9: What day do you want to check in? Sentence10: I did happen to find 1 hotel that will meet your needs. It is called the Lensfield Hotel. They are expensive and 3 star rated. Shall I reserve a room? Sentence11: Reference number is 26OVK8Q2 . Sentence12: Can I recommend broughton house gallery? Sentence13: Thank you for contacting us and have a nice day. Sentence14: That would be great. Can you provide me with the area, address, and postcode please? Sentence15: I don't have a preference. I do need the area, address and postcode. Sentence16: Thanks! I will need a taxi, too, please. I'd to leave the hotel by 10:30 to head to the gallery. Sentence17: Great! That is all I needed, thanks. Sentence18: Sure, do you want to be in a certain area? Question: Who has spoken the sentence 10? (A) User (B) System
Output: 


Answer: (A) User