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: Absolutely, I will take care of that for you right now. Sentence2: Yes, I would love the address. Thank you! Sentence3: Are any of them in the East? Sentence4: What about parks? Are there any free parks? Sentence5: not as such. it should be affordable. that is it. Sentence6: Cherry Hinton Water Play is free would you like the address? Sentence7: Sure! I found 4 parks that are free to visit. Is there an area that you prefer? Sentence8: Yes Chery Hinto Water Play is in the East Sentence9: The address for cherry hinton water play is cherry hinton hall, cherry hinton road, postal cb18dw, phone 01223446100, anything else that i can help with? Sentence10: I would prefer an east location and italian food would be lovely Sentence11: There are 110 restaurants in cambridge. Do you have a preference for price, area, or food type? Sentence12: There are churches you can visit for free. Sentence13: How much does it cost to get in? Sentence14: I'm looking for a place to go, can you help? Sentence15: There are 79 attractions you can visit. Do you have location, type and price preference? Sentence16: I would also like to find somewhere nice to eat. Question: Who has spoken the sentence 6? (A) User (B) System
Output: 


Answer: (A) User