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: Yes, one more thing. I will need a taxi to pick me up from the abbey pool and astroturf pitch at 20:00 and take me to the hotel. Sentence2: No, that is everything. Thank you for your assistance! Sentence3: Could you provide me the phone number, postcode, and entrance fee? Sentence4: Yes, I have a listing for that. What information would you like? Sentence5: Yes, they both meet your criteria. Which one do you prefer? Sentence6: I am looking for a place called abbey pool? Is there one in cambridge? Sentence7: A white ford will be picking you up at Abbey Pool at 20:00. The contact number is 07835847552. Can I help you with anything else? Sentence8: I definitely want a 4-star place with free parking. Which of those meets that criteria? Sentence9: Yes, I also need a hotel on the west side. Sentence10: You are welcome. Enjoy your stay in Cambridge. Bye. Sentence11: Unfortunately, I do not have the entrance fee for them, but you can reach them at 01223902088 to get that info. Their postcode is cb58nt. Is there anything else? Sentence12: I think the huntingdon marriot hotel. Could I get the passcode? Sentence13: Just to clarify, were you wanting the postcode. If so, the postcode is pe296fl. Is there anything else I can assist you with? Sentence14: I found two, huntingdon marriot hotel and the cambridge belfry. Do you have a preference? Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System