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: Great. Enjoy your stay in Cambridge. Sentence2: How does lovell lodge sound? It is in the moderate price range but it has a two star rating. Sentence3: I have found three hotels which in the cheap and moderate price range. They are also located in the north and centre area. Which do you prefer? Sentence4: Yes, I was able to book that for you. Address is 365 milton road. Reference number is EWRN88MQ . Would that work for you? Sentence5: Great! Let me know if you need anything else. Sentence6: We will. Thanks again. Sentence7: Yes please that would be great. Can you do it for 5 people for 5 nights starting sunday Sentence8: I am looking for a place to stay with free wifi and a 0 star rating. Sentence9: I have located citiroomz in the centre area, would you like me to book you? Sentence10: Yes that's fine. Thank you so much! Sentence11: Do they have rooms available for 5 people for 5 nights starting on Sunday? Sentence12: Sorry, that booking was unavailable. Would you like to try another hotel? Sentence13: Can you find a hotel in the same price range? Sentence14: One with moderate price range, please. Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System