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

Example Input: Sentence1: No, that is all. Thanks for being so helpful for my upcoming trip. Looking forward to my stay. Bye. Sentence2: Yes, please. Would you book it for 8 people on Tuesday at 13:00? I need to be sure to get the reference number, please. Sentence3: Yes free parking and internet. Would you like me to book it for you? Sentence4: Does the hotel have free parking? Sentence5: I don't have a preference. It should be in the centre, however. Sentence6: There is the Ashley Hotel, which is a two star hotel in the north. Shall I book it for you? Sentence7: bedouin is a very nice african restaurant. Shall I book it ? Sentence8: Sure, what type of food do you want me to look for? Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : P29I9V5T . Sentence10: Thank you. I'm also in need of a place to stay. I'd like it to be a hotel with a star of 2. Sentence11: Your welcome, I'm glad I could help. Sentence12: Yes please for 3 nights for 8 people on Tuesday. Sentence13: You are good to go, in case you need it, the reference number is FBC4YKK9, can I help with anything else? Sentence14: I need an expensive restaurant in the centre Question: Who has spoken the sentence 9? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Ok. I was able to book the table for three. Your reference number is 0FOAJA8A . Sentence2: Okay thank you. What time would you like to leave? Sentence3: ok, thank you and enjoy your stay! Sentence4: I'm travelling from norwich. Sentence5: I need to catch a train to get to the restaurant. Can you help with that too? Sentence6: There are 21 restaurants matching your criteria. Is there a type of cuisine that interests you? Sentence7: TR4387 arrives at 07:35, would that work for you? Sentence8: Let's go with Pizza Express, can you book for 3 at 13:30 on thursday please. Sentence9: You'll have to tell me where you are departing from? Sentence10: I need to arrive by 8:00. Sentence11: There are 2 choices, pizza express serves Italian food with a moderate price range, or pizza express Fen Ditton also in the moderate price range. Which shall I reserve? Sentence12: which day do you want to travel? Sentence13: Possibly Italian if that's available for 3 people on Thursday at 13:30. Sentence14: Booking was successful, the total fee is 52.8 GBP payable at the station .Reference number is : 5K7P12XZ . Sentence15: Please list all restaurants in Cambridge centre in the moderate price range. Sentence16: Thank you so much, If you can please leave a review for us. I hope your trip is amazing and very enjoyable. Sentence17: Yeah could I get three tickets please? Sentence18: I want to get there thursday please. Question: Who has spoken the sentence 14? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: am looking for a train. The train should leave on monday and should depart from cambridge. Sentence2: That is all for now. Thank you so much for the information. Sentence3: You're quite welcome. Have a safe trip. Goodbye. Sentence4: There are many trains available. Do you have a specific day or time in mind? Sentence5: I'd just like the travel time and train ID for that one please. Sentence6: 12:21 and time is 105 minutes. May I hemp with anything else ? Sentence7: Yes, can you please tell me the train ID that departs at 12:21? Sentence8: My apologies, the ID is TR4096 and the duration is 105 minutes. Is there anything else that I can help you with? Sentence9: I would like to travel on Monday after 12:00. Sentence10: I want to go to leicester. Sentence11: The next train after 12:00 leaves at 12:21. Would you like to purchase tickets for that train or is there anything else I can help you with? Sentence12: What is your destination? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output:
Answer: (A) User