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, just a taxi form the hotel to the park. I want a really early morning to find a spot for the sunrise, so leaving at 02:15. Sentence2: Ashley hotel is located at 74 chesterton road and lovell lodge is located at 365 milton road. Sentence3: You are most welcome. I am glad to be helping you from the Cambridge TownInfo centre. Goodbye. Sentence4: What attractions are close to the Ashley hotel? Sentence5: I would recommend the Milton Country Park, there is no entrance fee and it's nearby. Can I help with anything else? Sentence6: We have 2 swimming pools, a park, and a boat nearby. What would you like more information on? Sentence7: Thanks a lot for your help! Sentence8: I am looking for a hotel in Cambridge. Sentence9: I want to be in the north. Sentence10: We have 9 in the area. Is there a particular area you would like to stay ? Sentence11: could I have the address please? Sentence12: What do you recommend? Sentence13: I show results for 2 moderate priced hotels, the Ashley and the Lovell. Both have internet and parking. Do you have a preference? Sentence14: I have booked you at Ashley hotel for your time requested! Your reference is 6WFHNVGM . Sentence15: I booked you a white toyota and the driver can be reached at 07502392207. Enjoy the park and if there's anything else you need, I'm here 24/7 Sentence16: I need to book for 5 people and 2 nights starting monday. Do either of those have that available? Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System