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

Ex Input:
Sentence1: No, I'm not picky. Sentence2: I need a hotel with FREE parking Sentence3: The acorn house is moderately priced, 4 stars, and in the north. Sentence4: What is your arrival date and how many days will you be staying, please? Sentence5: I am looking for a place to stay. The hotel should have a star of 4 and should be in the type of guesthouse Sentence6: Thank you goodbye Sentence7: Okay. What part of town do you want to stay in? Sentence8: How about acorn house? They have excellent reviews. Sentence9: I'm sorry I don't need a reservation. Could you just confirm the price range, postcode and what area that is in? Sentence10: Thanks so much. I won't be needing anything further today. Sentence11: You read my mind. Yes, free parking. Sentence12: Do you have a specific pricerange you are looking for? Sentence13: Any part of town as long as it includes free parking. Sentence14: Yes, if Acorn House has free parking, please book my reservation. Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Please feel free to contact us again for further assistance. Good-bye. Sentence2: Great news! Your booking was successful and I have a reference number for you. It is PL4JEQ9A . Sentence3: Yes please I need a booking for 4 people and 2 nights starting from friday. Sentence4: How about a different hotel in the same price range? Sentence5: Can you find me a place to say in the centre that includes free wifi? Sentence6: I have the Cityroomz hotel which is in the moderate range with internet and no parking. Would you like to book this hotel? Sentence7: Are there any in the moderate price range? Sentence8: Thank you for your help. Sentence9: I can recommend the Alexander Bed and Breakfast. It is a guesthouse in the cheap price range. Sentence10: How about the el shaddai, they have free internet and free parking? Sentence11: Thank you very much. I will. Sentence12: You are very welcome. Please enjoy your stay. Sentence13: That on is not open then, shall I try another? Sentence14: That will be fine. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No preference, either will do. Sentence2: Yes I need it for 5 nights from Tuesday for 6 people. Sentence3: No thank you. That will be all. Sentence4: ashley hotel in Northe part of town Sentence5: Okay thank you for calling. Enjoy your stay. Sentence6: Yes I have two options in the north and on in the east, any preference? Sentence7: I need a two star room, free parking included. Sentence8: I was able to book you at express by holiday inn cambridge, your reference number is MSGBHKWK, is there anything else that I can assist with? Sentence9: I'm sorry but that booking did not go through. Shall I try another hotel for you? Sentence10: Yes one in the same price range. Sentence11: I will. Have a nice day. Sentence12: So happy I was able to help. Good-Bye. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User