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 would like a gastropub in the expensive price range. Sentence2: Sure thing. I have TR1997 leaving Leicester on Tuesday at 14:21. Should arrive by 16:06. Would that work for you? Otherwise, I have later options. Sentence3: Your reservation of 5 tickets on the TR1997 train was successful. Your Reference number is : 8PT9BIRG . Sentence4: We have many restaurant options in the centre area. Is there a particular type of food you would like? Sentence5: would recommend the slug and lettuce, they are a very good gastropub, would you like me to book you? Sentence6: Wonderful, that's everything I needed. Thanks so much. Sentence7: Hi, do you have any trains headed to Leicester from cambridge? Sentence8: Okay I was able to do that for you and your reference number is M0YQSBT7 . Sentence9: We do. What day will you be travelling? Sentence10: Thank you! I'm also looking for a great place to eat in the centre. Sentence11: My pleasure. We're here any time you need us. Thank you for using the Cambridge TownInfo centre. Have a great day. Sentence12: That would work for me, I need 5 tickets please. Sentence13: Yes, please. I'd like to book for the same group of people on the same day at 10:30, if possible. Sentence14: I'll be leaving on Tuesday after 13:30. Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System