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: Have a nice day. Sentence2: Are there any boat attractions? Sentence3: And what time would you like to leave? Sentence4: Where are you departing from and what day are you travelling on? Sentence5: I have the cmbridge punter boat located in the centre. Sentence6: How about the Funky Fun House or Cherry Hinton Hall and Grounds in the east? Sentence7: The TR4651 train leaves Bishops Stortford at 15:29. Would you like me to book you a seat on it? Sentence8: Can you make a suggestion? Sentence9: Yes, it does. Sentence10: Thank you. I also need to find a place to go in the centre of town. The type of attraction should be entertainment. Sentence11: There are no entertainment areas in the centre, any other preferences? Sentence12: What is the price for the train ticket? Sentence13: I need a train going into Cambridge, arriving by 17:45. Sentence14: Thank you for using the Cambridge TownInfo centre. Cheers! Sentence15: That sounds great. Can I get the phone number, address, and entrance fee? Sentence16: Is there anything else I can assist you with today? Sentence17: Does it arrive in Cambridge by 17:45. That is the most important thing. Sentence18: The price is 8.08 pounds. Sentence19: Unfortunately, I don't have information on the entrance fee, but you can call them at 07807718591 to find out. The post code is cb41as Sentence20: I am leaving from Bishops Stortford on Sunday. Sentence21: Okay thank you for your help. Sentence22: I would prefer to leave at 15:00. Question: Who has spoken the sentence 21? (A) User (B) System
Output: 


Answer: (B) System