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: Yes please make that reservation for me Sentence2: I need it for 8 people at 10:30 on saturday Sentence3: I was unable to find any moderately priced Polynesian restaurants. Sentence4: Booking was successful for a table at la tasca. The table will be reserved for 15 minutes, reference number is : 3TR0F2B1 . Can I help with anything else? Sentence5: I have several trains that will suit you. What is your destination and what time could you like to leave? Sentence6: TR8933 will be departing cambridge at 13:36 and arriving in norwich at 14:55. Would you like to book this? Sentence7: I will need some more information before making a reservation. What day would you like it on and for how many people? Sentence8: La Tasca is a centrally located, moderately priced, Spanish restaurant. Would you like to make a reservation? Sentence9: I am looking for a Saturday train departing from Cambridge. Sentence10: Please book for 8 people. Sentence11: How then about Spanish or a pub that serves tapas? Sentence12: Norwich is my destination and I want to leave after 13:00. Sentence13: No, I don't need anything else Sentence14: Alright the book was successful, the total fee is going to be 112.64 GBP payable at the station and the reference number is 28O28GIJ . Sentence15: Thanks! I'm also wondering if there are any moderately priced polynesian restaurants around. Sentence16: Have a great day! Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System