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: There are many things to visit including museums, theaters, colleges, nightclubs, parks, swimming pools, cinema, boating, concert halls, and architecture attractions. Sentence2: I hope you have a good trip. Goodbye Sentence3: Yes please, I'll need a taxi from the pool to the hotel. I'd like to leave the pool by 05:15. Sentence4: What kind of car is the taxi? Sentence5: Are there any fun places to go in the centre of town? Sentence6: Ok, thanks for that. What's the reference number? Sentence7: What's their phone number, and how much does it cost to get in? Sentence8: Thanks! That's all I need. Sentence9: Recommend a swimming pool for me please. Sentence10: What about acorn house? It is a lovely guesthouse. Sentence11: The Ashley Hotel sounds great. Can you reserve a room on Thursday for 8 people, 3 nights please? Sentence12: I would rather have a hotel. I need it for 8 people for 3 nights. Is there anything available? Sentence13: 01223446100. I don't have access to their entrance fee. Is there anything else you need help with? Sentence14: No but it needs to be in the moderate price range. Sentence15: I will reserve it for you. Sentence16: It's a grey BMW. Sentence17: I have parkside pools in the centre of town on gonville place postbcode cb11ly. Sentence18: I have two hotels on the north side that fit your criteria. I would suggest Ashley Hotel. Would you like me to make reservations for you? Sentence19: Yes. I need a place to stay. Free parking and free wifi are important to me Sentence20: Your reference number is 739P7NDS . Do you need help with anything else? Sentence21: Great, I have several options for you. Do you want a hotel in a particular part of town? Sentence22: I have booked a taxi from Parkside pools to ashley hotel at 5:15. The contact number 0735652974. Do you need anything else? Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System