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: What type of food would you like? There are asian oriental, chinese, european and french restaurants available. Sentence2: I need to find an expensive restaurant in Cambridge located somewhere in the north. Sentence3: The postcode for jesus green outdoor pool is cb43px. I'm sorry I do not have the entrance fee. Is there anything else i can help you with? Sentence4: Yes please, book me a table for one at 19:30 Sentence5: I can book you a table for Tuesday at a Chinese restaurant in the north named the Hot Spot. Shall I do that? Sentence6: I don't have that information I am sorry. Sentence7: Does the other swimming pool say what the entrance fee is? Sentence8: There are two swimmingpool options in the north. I recommend jesus green outdoor pool. Sentence9: Okay. I'm glad I could help. Have a great trip. Goodbye. Sentence10: I'm not particular on the type of food. Could you recommend something and book a table for 1 person at 19:30 on tuesday. Sentence11: There are four attractions in the north. A boat, a park, and two swimming pools. Which would you like? Sentence12: Your reservation has been made. The table will be reserved for 15 minutes. Your reference number is 8JGOXQPX . Is there anything else today? Sentence13: Okay I have the riverboat Georgina. The post code is cb43ax and I have no information on the entrance fee. Sentence14: I am also interested in the boat attraction. What is the entrance fee and postcode for that attraction? Sentence15: I'd love to go swimming. Sentence16: I would like to find a place to visit in the same area as the restaurant. Sentence17: There are many attractions to choose from,what did you have in mmind ? Sentence18: Thanks for your help. That's all I need today. Sentence19: I don't really care, do you have any recommendations? Sentence20: Alright, please give me the entrance fee and postcode for jesus green pool Question: Who has spoken the sentence 10? (A) User (B) System
Output: 


Answer: (A) User