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: Some type of fancy architecture would be neat. Sentence2: you are welcome to use our services anytime. Sentence3: The booking was successful. The table will be reserved for 15 minutes. Reference number is : EIYUL9L9 . Sentence4: all saints church has some stunning architecture and is located in the centre. It's also free to visit! Sentence5: Yes please, for 5 people at 13:00 on Tuesday. Sentence6: Thanks! Can you also tell me about J Restaurant? Sentence7: Yes, I'd like to know what there is to see in the center of town. Sentence8: No problem. I've arranged for a blue Ford to pick you up at All Saints in time to reach the restaurant at 1 pm. The number is 07245127340. Anything else? Sentence9: Great, I like free! Can you give me the postcode and phone number to all saints church please? Sentence10: Absolutely, its an Asian Oriental restaurant, listed as cheap price range, & located in the centre area. Would you like me to book a table for you? Sentence11: There are over 40 attractions in city centre. Do you have any ideas on what type of attraction you'd like to visit? Sentence12: Phone number is 01223452587 and postcode is cb58bs. Sentence13: No that will do it. Thanks a lot. Goodbye. Sentence14: Can you book me a taxi to take me from the church to get me to the restaurant for my reservation? Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User