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: That sounds great. Please book a table for 1 at 19:45 on Monday. Sentence2: I have about 13 different colleges in that area. Might I suggest Saint John's College. It does have a small entrance fee of 2.50 pounds but is one of the nicest. Sentence3: You are very welcome. I hope you enjoy your trip and have a fantastic day! Call anytime for assistance. Sentence4: I am looking for college attractions in the centre. Sentence5: That is a wonderful suggestion. What is the address and may I have their phone number? Sentence6: I don't care about the type of food. Do you have a suggestion? Sentence7: I booked your reservations at Loch Fyne for Monday at 19:45 the reference number is 4A4FODSE . Is there anything else I can do for you? Sentence8: Great! Also I would like to find a place to eat. Somewhere in the same area and expensive. Sentence9: They are located on saint john's street and their number is 01223338600. Sentence10: Nope, that's all I need today. Thank you for your help - goodbye! Sentence11: There are 33 expensive restaurants in the centre. What type of food do you feel like having? Sentence12: There is a great seafood place in the city centre called Loch Fyne. They have some of the best reviews overall. Would you like more info about them or a table? Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System