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 hope you have a great stay. Goodbye. Sentence2: Can you help me find a train leaving Peterborough that arrives by 11:45? Sentence3: Okay, I have 14 that meet that criteria. Do you have a preference of hotel vs guesthouse? Sentence4: That is all for today. Thank you. Sentence5: Your reservation for 5 at Ashley Hotel this Monday for 6 days 5 nights was successful. Your Reference number is : ZCPI0YPM . Anything else I can assist you with today? Sentence6: I'd like it to be moderately priced and include free parking. Sentence7: i also need a hotel Sentence8: Perfect, I need to book it for 5 people, 5 nights starting from Monday. If that fails try Thursday and I will need the reference number please. Sentence9: That is correct, travel time is 50 minutes. Would you like me to book that for you? Sentence10: I have train TR0168 that leaves at 10:19 and arrives in Cambridge by 11:09. Would that work for you? Sentence11: I need to go to Cambridge on Monday. Sentence12: Yes, that is great. Just to verify, the travel time is 50 minutes? Sentence13: There are 33 hotels in the city. Can you give me some of your preferences so that we may narrow it down? Sentence14: There are 2 hotels located in north. May I suggest the ashley hotel? Sentence15: I would love if it were a 2 star place. And a hotel if I can. Sentence16: Okay. What is the destination please? Question: Who has spoken the sentence 14? (A) User (B) System
Output: 


Answer: (A) User