You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Input: Consider Input: Sentence1: I was just involved in a car accident. Sentence2: You should contact this number: 01223358966. Sentence3: The address is Parkside, Cambridge, postcode CB11JG. Sentence4: Yes, I have a passenger that is hurt. How can I get to the hospital to make sure they are okay? Sentence5: You are welcome. Have a great day. Sentence6: I'm very sorry to hear that! Have you called the police yet? If not here is their number 01223358966. Is there anything else I can help with? Sentence7: Thanks, what's the address and postcode to the police department? Sentence8: Thank you for the info. That'll be all for now. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Two for the same day. I need a taxi to commute between the two places to be sure it arrives by the booked time. The contact number and car type? Sentence2: I was able to book your table. Your reference number is : OSAGFN8W . Sentence3: Yes, that is correct. Is there anything else I can help you with? Sentence4: i am looking for information in Cambridge. A a place to dine. Sentence5: How many people will be staying with you and what day would you like to reserve your hotel room? Sentence6: book the one in the centre a table for 2 at 13:45 on thursday Sentence7: which side of town and what is the price range? Sentence8: There are 21 great places to choose from. Do you have a certain type of restaurant you are looking for? Perhaps Italian or European? Sentence9: Thank you. I will also need a hotel in that same area. Please, no guesthouses! Sentence10: Cityroomz has a 0 star rating with free internet, but does not provide parking. Would you like to make a reservation? Sentence11: I have the hotel and the taxi already? Sentence12: Yes, please. For 2 nights. Sentence13: you too have a great day Sentence14: Thanks, Those are all i need for today. Sentence15: Thank you so much. Sentence16: Let me know about your Italian restaurants. Sentence17: I want to eat Thai food. Sentence18: There are 3 options for hotels in the centre. There is one 0 star, one 3 star and one 4 star option. Which would you prefer? Sentence19: Your room is booked, ref #DOSETWFU, and a red Audi will pick you up and get you to the restaurant for that reservation. Contact number 07840525996. Sentence20: There aren't any Thai restaurants in that price range in the centre of town. Would you like to try something else? Sentence21: Moderately priced, in the centre of town. Sentence22: I want the place with 0 stars. Sentence23: You're welcome. Have a great day. Sentence24: Okay, I found two options for you: Pizza Express and Pizza Express Fen Ditton. Do either of those appeal to you? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Yes, can I get the address? Oh, and do they have internet? Sentence2: Great, I'll book a table at rice boat, how many people will be dining and do you have a date and time preference? Sentence3: The 5 indian restaurants are: tandoori palace, cocum, rice boat, maharajah tandoori restaurant and india house. Would you like to book a table at one of these places? Sentence4: I am very sorry, there are no malaysian restaurant results at all. Would you like help finding a hotel or attraction? Sentence5: Excellent. I'd better also book a taxi. Sentence6: I have two four star hotels that meet your criteria, huntingdon marriott hotel and the cambridge belfry. Woul you like me to book a room at the huntingdon marriott hotel? Sentence7: You're welcome. I hope you enjoy your visit. Sentence8: I'll also need a place to stay. A hotel, please, in the same area as the restaurant. Sentence9: I just need the phone number and postcode. Sentence10: Maybe later. What about a restaurant that serves indian food with the same specifications? Sentence11: What is the departure site for the taxi and what is your destination? Sentence12: Go ahead and book rice boat. Please also give me the postcode and phone number as well. Sentence13: No, I was really hoping for Malaysian. Sentence14: Yes! They'll pick you up in a black skoda. Their contact number is 07619432519. How else may I assist you? Sentence15: West side would be great. Sentence16: I'll just need a taxi from the restaurant at 9:00 to the hotel . Can you provide their contact number and the car type? Sentence17: That was everything. Thank you very much! Sentence18: the address is kingfisher way, hinchinbrook business park, huntingdo and they do have internet. Sentence19: There are many different Indian options. I can narrow it down for you if you tell me what area you would prefer. Sentence20: I'm looking for an expensive restaurant that serves malaysian food. Sentence21: There are no expensive Malaysian restaurants. Would you like to try a different type of food? Sentence22: No problem. The postcode is cb39ey and the phone number is 01223302800. Question: Who has spoken the sentence 13? (A) User (B) System
Output: Answer: (B) System