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: Parkside Pools is located at Gonville Place. I do not have the entrance fee available, but the phone number is 01223446100 and the postcode is cb11ly Sentence2: We currently do not show any locations that fit that criteria. Would like me to look in a different area? Sentence3: Enjoy your trip! Sentence4: Yes, please book for 1 person the train that departs at 17:50. Sentence5: I am also looking for a train leaving friday. Sentence6: You're welcome. Is there anything else I can help you with today? Sentence7: That's everything I needed, thank you very much for your time! Sentence8: I am looking to depart cambridge, head to ely, and arrive by 18:30 Sentence9: Thank you for all your help. Sentence10: No, How about a swimming pool in that area? Sentence11: Thank you for the phone number. Thanks for the help! Sentence12: Alright, there are seven trains that meet that requirement, starting at 5:50 and running once an hour every hour until 17:50. Would you like me to book any of these trips? Sentence13: Booking was successful for TR9933, the total fee is 4.4 GBP payable at the station. Reference number is : P4U5T2N6 . Sentence14: Is there anything else I can help you with today? Sentence15: I'm looking for a multiple sports attraction in the area of center. Sentence16: There are 404 trains that day, what destinations do you need? Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System