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'm sorry I don't have that information but I can tell you it is located at cambridge passenger cruisers, jubilee house. Sentence2: Riverboat Georgina is a boat, their office is at Cambridge Passenger Cruisers, Jubilee House. Sentence3: Okay. Their phone number is 01223360966. The postcode is cb41uy. Can I help with anything else? Sentence4: I'm sorry, you already located an Indian restaurant. You gave me the post code and phone number. What is the name of the restaurant? Sentence5: i am also looking for a restaurant in the north that serves african food Sentence6: I'm looking for information on a placed called riverboat georgina. Sentence7: When does the Riverboat Georgina depart? I'd like to have time to walk around the area and explore a bit. Sentence8: Yes, please. I need a taxi to take me from the restaurant to The Riverboat Georgina and I would need to leave the restaurant by 12:30. Sentence9: The restaurant is named the nirala. Sentence10: That's all I need, thanks so much for all of your help! Have a great day! Sentence11: I'm afraid that I did not find any. Would you like to try a different area or cuisine? Sentence12: What time would you like to arrive by? Sentence13: I have nothing African in that area. do you have another choice ? Sentence14: Hello. The Riverboat Georgina is located in the North area at the Jubilee House. The phone number is 01223902091. Can I answer anything else for you? Sentence15: You're gonna be expecting a black lexus . Their contact number is 07528633528 Sentence16: There are 2 one is moderately priced and one is cheap. Which do you prefer? Sentence17: I also need to find a restaurant in the north serving African food. Sentence18: I guess Indian food would work . Sentence19: Have a great day also. Take care. Goodbye. Sentence20: Great! Now I just need a taxi to take me from the restaurant to the boat. I want to leave the restaurant by 12:30. Sentence21: What type of attraction is it? And the address? Sentence22: How about the moderately priced one. I will need their postcode and phone number as well. Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User