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: It is a guesthouse. Would you like more information? Sentence2: Absolutely! What day were you needing to stay? Sentence3: Your booking was successful and your reference number is JZM3JY4X . Sentence4: Do you have one in the north with free wifi? Sentence5: I need 6 people for 4 nights starting tuesday Sentence6: sure, i have six you can choose from Sentence7: I just needed that information, thank you for your help today. Sentence8: I'll be leaving from cambridge and going to london liverpool street Sentence9: No problem, have a wonderful day! Sentence10: The earliest train departs at 9:59 and arrives at 11:27 , the price is 13.28 pounds. Do you want me to book this for you? Sentence11: Can you book it for 6 people? Sentence12: What is your departure site and your destination? Sentence13: What day and time are you thinking of leaving? Sentence14: Is Hamilton Lodge a hotel or guesthouse? Sentence15: Hello! Can you please recommend a 3-star hotel? Sentence16: ok, now i need a train. Sentence17: The train should leave after 08:45 and should leave on saturday. I will need a arrival time and price Sentence18: hamilton lodge is in the north and has free wifi. Want me to book? Question: Who has spoken the sentence 14? (A) User (B) System
Output: 


Answer: (A) User