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

Example Input: Sentence1: You are welcome. Have a great day. Sentence2: Thank you, that will be all. Sentence3: leave after 22:30 and dont care when i arrive Sentence4: Hello. Can you book a taxi for me? I need to travel from the Grafton Hotel Restaurant to Home From Home. Sentence5: No problem at all. What time do you want to leave and arrive by, respectively? Sentence6: Alright, I've got a white skoda coming to pick you up at the Grafton Hotel Restaurant at 22:45, your contact number for them is 07935014262. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: That was helpful! Thank you goodbye. Sentence2: What type of information do you need? Sentence3: I need information to find the huntingdon marriott hotel. Sentence4: You are booked at express by holiday inn cambridge. Reference number: FGSTOTPY . Sentence5: Unfortunately, the booking was unsuccessful. Would you like for me to find another hotel for you? Sentence6: Do you need anything else? Sentence7: I need help finding huntingdon marriott hotel please. Could you book a room for me for 6 people on monday for 5 nights please? Sentence8: I suppose so. Another hotel in the same general price range, if you can. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: You're welcome! Have a great day. Goodbye. Sentence2: Of course! It's a cheap Indian restaurant in the north at Victoria Avenue Chesteron cb41eh. The phone number is 01733553355. May I help with anything else? Sentence3: I would like to book for two on Wednesday, at 17:15. Sentence4: Hi! Can you give me some information on the Royal Spice restaurant? Sentence5: Great, thanks! That's all I needed! Sentence6: I have you booked Wednesday at 17:15 a table for 2, this table will hold for 15 mins and your reference number is GXO64LG8 . Question: Who has spoken the sentence 3? (A) User (B) System
Example Output:
Answer: (B) System