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: The saint barnabas press gallery is free to enter and is located at the belfast yard, coldham's road, cb13ew. Anywhere else you'd like me to check? Sentence2: Yes, please book it for 7 people. Sentence3: I will be going to Cambridge from Kings Lynn. Should have clarified before. Sentence4: I'd like to visit The Saint Barnabas Press Galary. What is the postcode, phone number and entrance fee? Sentence5: Great. Can you also help me find a museum to visit in the east? Sentence6: Ok I have train TR5331 booked for you for 7 people. Your reference number is Q2o02XDS . Sentence7: I have a TR5331 arriving at 15:58, will that work for you? Sentence8: Where will you be going? Sentence9: You are most welcome. Enjoy the museum. Sentence10: I would like to find a train leaving from Cambridge on Friday after 14:45. Sentence11: No, I believe that is everything. Thank you! Sentence12: We have 5 museums in the east. Cambridge artworks, cambridge museum of technology, gallery at twelve a high street, and the saint barnabas press gallery. Question: Who has spoken the sentence 2? (A) User (B) System
Output: 


Answer: (A) User