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 have the loch fyne. Would you like me to make a booking for you? Sentence2: Is the loch fyne in the same area as the Vue Cinema? Sentence3: Sure! Can I get the address? Sentence4: Thanks. I am also looking for a restaurant that serves seafood. I'd like it to be in the expensive price range. Sentence5: the booking was a success. your reference number is FR7FACKD . anything else i can help you with? Sentence6: Have a nice day. Sentence7: Help me find something fun to do in the centre. Sentence8: yes i will appreciate. Sentence9: The phone number for Vue Cinema is 08712240240. Can I help you with anything else? Sentence10: Yes please book that for 4 people at 20:00 on wednesday. Sentence11: Loch Fyne is located in the centre as well, yes. Would you like me to make a booking for you? Sentence12: The address is the grafton centre, east road, postcode cb11ps. Would you like the phone number? Sentence13: We have the vue cinema that's in that area. Would you like more information about that? Sentence14: No thanks. That looks like everything. Have a good day. Bye. Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System