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: It is an entertainment attraction. Sentence2: That sounds interesting, what type of attraction is it? Sentence3: No, It doesn't matter pick something for me. I'll need to know what the entrance fee is though. Sentence4: There are 202 trains that meet your criteria. Would you like to narrow it down by departure site, arrival time, or departure time? Sentence5: Great. I also need a train to Cambridge on Sunday. Sentence6: Absolutely. Which area of town will you be visiting? Sentence7: I would suggest the funk fun house. I do not have an entrance fee listed but you can call them at 01223304705. Sentence8: Hi, I am looking for information for my upcoming trip. Can you help me with some attractions? Sentence9: There are many attractions in the east, including boats, museums, swimming pools, parks, and sports. Are you interested in anything specific? Sentence10: The earliest is TR4212 which leaves at 09:35. It arrives by 09:52 and takes 17 minutes. Sentence11: There are quite a few options in the center. And most museums are free to enter. Sentence12: You're welcome. Have a great day. Sentence13: What type of attraction is the Funk Fun House? Sentence14: I'd like something in the east. Sentence15: Yes, the train should leave after 9:00. I'm departing from ely. I'll need the arrival time and travel time, please? Sentence16: Thank you, that is everything I need. Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User