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

Example Input: Sentence1: Okay, do you need the taxi to go to the restaurant or the attraction? Sentence2: Okay, perhaps you can find a college that I can visit. Sentence3: Thank you so much. Sentence4: I have 8 results. What area would you like? Sentence5: I want to leave the attraction at 09:45 and head to the restaurant. Sentence6: it is on regent street Sentence7: I'm sorry there are no matches. Sentence8: It should be cheap and include free parking. Sentence9: i also want a taxi to commute between the two places Sentence10: There are 21 guesthouses offering free wifi. Do you have a price range? Sentence11: Sure, you will be expecting a black lexus , their contact number is 07988632177 Sentence12: I recommend finches bed and breakfast, that've got some good reviews. Sentence13: There are five colleges available in the centre area. How about Downing College? The entrance fee is free. Sentence14: Oh thats great. Please assist to book that for 5 nights starting from Saturday and if it fails then Tuesday. Please send me the reference number when you are done. Sentence15: Sounds great. What is the address? Sentence16: Yes, I'm looking for entertainment attractions located in the centre. Sentence17: No particular area. What do you recommend? Sentence18: you are welcome, enjoy yourself. Sentence19: Booking was successful for Saturday. Reference number is : 5LQHD9SU . Can I help with anything else? Sentence20: I'm planning a trip to Cambridge and need a 4 star place with wifi to stay. It doesn't matter if its a hotel or guesthouse, just 4 star please. Question: Who has spoken the sentence 14? (A) User (B) System
Example Output: Answer: (A) User

Example 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
Example Output: Answer: (A) User

Example Input: Sentence1: okay your all set ref # is KWN1JAD4, anything else today? Sentence2: Just pick a place (as long as it's expensive) on the south side and make the reservation and give me the reference number. After that, I'm going to need a taxi. Sentence3: You have been extremely helpful, thank you so much. I am all set. Have a nice day. Bye. Sentence4: The acorn guest house has availability for that time. Sentence5: Please find me a guesthouse that offers free parking Sentence6: Is there a certain type of food you'd like? The options are Chinese, Indian, Italian, and Mexican. Sentence7: Thank you for using our system today! Sentence8: Yes. Please book it for me, in the perimeters I stated above. Sentence9: I need a place that will have space for 6 people staying 4 nights starting from Wednesday. Sentence10: I need a place to eat in the south and VERY expensive for 6 people on wed at 19:00 Sentence11: There are quite a few. 16 to be exact. Are you looking for a certain price range or area? Sentence12: I have booked your party of 6 at the Peking Restaurant. You are booked for Wednesday at 19:00. Your reference number is 0Z92M9D7 . Sentence13: Ill need to taxi to go from the hotel to the restaurant by 19:15. Sentence14: Booking completed! Booked car type : black skoda Contact number : 07463823856 Sentence15: Sure, what area would you like to stay in and what is your price range? Sentence16: What can I get thats a 4 star? Question: Who has spoken the sentence 4? (A) User (B) System
Example Output:
Answer: (A) User