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: There are five total parks in Cambridge, four of which are free. The University Botanic Gardens cost 4 pounds to enter. Sentence2: Thank you for your help. Sentence3: Please help me find general information about park type places to go in Cambridge. Sentence4: May I please have the phone number, postcode, and area of a free park that you recommend? Sentence5: I have cherry hinton water play,located in the east and the post code is cb18dw. Here is the phone 01223446100. Sentence6: Have a nice day! Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: That is all, thank you, goodbye. Sentence2: Is there anything else we can help you with? Sentence3: Goodbye. Sentence4: Ok. Thanks. Sentence5: I am looking for a restaurant in the south part of town and serving portuguese food. What is the address and phone number? Sentence6: Nandos is a portuguese restaurant in the south part of town. Their address is Cambridge Leisure Park Clifton Way and their phone number is 01223 327908 Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Can it get there by 18:15? And can you get tickets for two? Sentence2: You're welcome and have a wonderful trip! Sentence3: Not now. I would like to get the postcode, please. Sentence4: Thank you. I also need to find a train departing from Leicester. Sentence5: I need it to be a hotel, not a guesthouse. Sentence6: Great, if you could book that one for 2 people and provide me with the reference number, I would appreciate it. Sentence7: There are 13 hotels north of cambridge. What price range would you prefer? Do you require internet or parking? Sentence8: Certainly! TR2985 will depart Leicester at 16:09 and arrive in Cambridge at 17:54. That one sounds like it's better for your time frame. Sentence9: Your arrival time would be 06:54 would you like for me to find another train for you? Sentence10: I can certainly help you with that! Can I assume you're coming from Leicester to fair Cambridge? What day and time would you like to travel? Sentence11: Yes, I'm looking for hotels in the north area. Sentence12: Yes, you're right. I need to leave on Monday, and I need to arrive by 18:15. Sentence13: Would you like me to book you a room at the Avalon on 62 Gilbert Road? Sentence14: Sure, I have booked the train for people on monday on TR2985, your reference number is 730ZJ7M6 . Is there anything else I can do for you today? Sentence15: There is not. Thank you so much! Sentence16: How about the ashley hotel, it is in the north with a 2 star rating with free parking and internet. Would you like to reserve a room? Sentence17: I found TR3173 leaving at 5:09 would that work? Sentence18: Yes, please. I'd rather not be that early. Sentence19: I don't care about price range or parking, but I do require free WiFi. Sentence20: Certainly, the postcode for the Ashley Hotel is cb41er. Is there anything else I can do for you? Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (A) User