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 think that is all for now! Thanks again. Have a great day! Sentence2: Can you try booking it for 11:15? Sentence3: I have pulled up 3. How about anatolia, they are moderately priced. Sentence4: Thank you. You've been very helpful. Sentence5: That works for me. Go ahead and book it. Sentence6: Can I have the reference number please? Sentence7: Yes, it's 105 minutes total. Would you like anything else? Sentence8: Done - your reference number is GJ3062PE . The total fee is 37.79 GPB which you can pay at the station. Sentence9: Sounds great. Can I get their location and phone number? Sentence10: Can you make a reservation for 6 people at 12:15 on wednesday? Sentence11: If you are leaving from cambridge I can book you on TR1755 leaving at 09:21 and arriving at 11:06. Will this work for you? Sentence12: I am craving Turkish food in the centre. Is there a restaurant available? Sentence13: You're welcome. You have a great day as well! Sentence14: I was able to fulfill your request. You are booked at Anatolia on Wednesday at 11:15. The reservation is for 6 people. How else may I help you? Sentence15: Sure thing! It is located at 30 Bridge Street City Centre and the phone number is 01223362372 Sentence16: Can I get the travel time in minutes please? Sentence17: Will there be anything else you need? Sentence18: Yes, please. I need a train to Leicester on Thursday, please. I need to get there by 16:15. Sentence19: I am so sorry nothing available for any of the turkish restaurants for that day & time slot. Something else perhaps? Sentence20: The reference number is G7THDK3O . Is there anything else I can help you with. Question: Who has spoken the sentence 19? (A) User (B) System
Output: 


Answer: (B) System