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 apologize, I was able to find your requested Autumn House. It's a 4 star, guesthouse. Would you like to book it? Which days, people, etc? Sentence2: Little Saint Mary's Church. You'll have to go to Little Saint Mary's Lane. The postcode is cb21qy and the phone number is 01223366202. Sentence3: I hope you have a good trip. Have a great day. Sentence4: Thank you. Can you tell me some information for a place called the Autumn House. I am not sure if its a hotel or guest house. Sentence5: Can you tell me about an attraction found in the centre? Sentence6: There are 44 attractions. What type would you like? Sentence7: Are you sure autumn house is no longer there? Sentence8: No problem, Can I help with anything else? Sentence9: just any. give me one option with its phone number,postcode and address. Sentence10: Sorry, I found it! It's a guesthouse. Would you like for me to book you a room there? Sentence11: there is no hotel in our records that goes by that name Sentence12: No, thanks. I was just looking for the star rating, which you've already given me. Sentence13: I just needs the taxi to the hotel, I need to leave the attraction by 05:45. (I'm doing a volunteer overnight security shift there for the experience) Sentence14: How many stars is it? Sentence15: Sounds like a great experience. A black volvo will pick you up at the church and drop you at the hotel. You can reach the driver at 07118076381 Sentence16: Great, that is all I needed. Thank you Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User