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: Sure. The Cambridge and County Folk Museum is one of the oldest social history museums in the UK and offers a various and unique collection of artifacts. Sentence2: their address is 2-3 castle street and their entrance fee is 3.50 pounds. Sentence3: Okay I will work on getting this done and get back to you. Sentence4: I am planning a trip to see the Cambridge and County Folk Museum. What can you tell me about it? Sentence5: Thank you for calling. Enjoy your trip! Goodbye! Sentence6: 3 people at 20:00 on teusday Sentence7: Your taxi booking was successful. You will be picked up by a white audi. The contact number is 07915378958. Anything else I can do for you today? Sentence8: Thank you. I will also need the reference number, please. Sentence9: There are four places to choose from. They range from cheap to expensive. Do you have a preference on the price range? Sentence10: I'd be happy to! How many people and for what time would you like to dine? Sentence11: de luca cucina and bar would fit your needs. they are located at 83 Regent Street, phone 01223356666, cb21aw. Would you like me to book reservations for you? Sentence12: Your table has been booked. The table will be reserved for 15 minutes. Your reference number is : 0Z5IJB27 . Can I be of any further assistance? Sentence13: Thank you so much for your time today. I appreciate your help! Goodbye! Sentence14: I would prefer something in the moderate range. Sentence15: I would like their entrance fee and address please. Sentence16: Yes, make a reservation for Tuesday please Sentence17: Great, thanks! Could you also help me find a modern European restaurant in the centre? Sentence18: Yes, I will need a taxi from the museum to the restaurant to arrive by 20:00 on Tuesday. Can you book that for me? Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User