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: They are all moderately priced, but Avalon has free internet and four stars. Would that suit you? Sentence2: Yes, free wifi. No free parking though. Sentence3: That sounds good. Do they have wifi? Sentence4: Your table has been booked. The reference number is 3FOO64PM . Sentence5: Thank you I am also looking for a restaurant in the same area as the hotel serving expensive chinese food. Sentence6: please contact us again in the future. goodbye. Sentence7: There is Hakka located at Milton Road Chesterton would you like me to reserve it for you? Sentence8: I have three guesthouses to choose from. Do you mind they are in the north? Sentence9: I'm looking for a guesthouse to stay in and I don't need a free parking. Sentence10: 01223315702 and cb12dp. Sentence11: Perfect thats all I needed! Sentence12: This one is in the north a and b guest house Sentence13: Are there any moderately priced 3 star guesthouses in the west available? If not in the west, what about the north? Sentence14: Yes please. I need it for 8 people on Wednesday at 19:15. Sentence15: That's fine. Could I get their postcode and phone number? Sentence16: No that is okay, can you book the cheapest one for me please? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: I'm sorry, but we just reserved your table. There is no car type. But since you ask, did you need a taxi? Sentence2: Thanks, that's all I need today. Goodbye! Sentence3: Could i please get the phone number and address? Sentence4: good day and thanks for using our services Sentence5: I only have one restaurant in the north for European food, but they have amazing food. It's called City Stop Restaurant. They are expensive but so worth it! Sentence6: book a table for 2 people at 13:15 on tuesday. Sentence7: I would like the north please. Sentence8: I am thinking I would like to try some european food while I am in town. Sentence9: Yes I need a taxi that will take me between the two places and need to arrive by 13:15. Sentence10: Okay. I have a taxi booked. It will be a yellow bmw and the contact number is 07135918917 Sentence11: The Botanical Gardens at Cambridge University are a favorite destination. The entrance fee is only 4 pounds. Sentence12: What is the car type, please thank you Sentence13: There are several to choose from, in which part of town would you like to concentrate? Sentence14: Sure, the phone number is 01223336265. The address is bateman street. Can I do anything else for you? Sentence15: Yes, I would like the information on parks that are located in the centre please. Sentence16: Your booking was successful! The table will be reserved for 15 minutes. Reference number is : ZLRYLH3O . Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Thanks, but I believe we are repeating ourselves. The hotel and attraction are all I need at this time. Goodbye. Sentence2: They have free wifi and the rating of the hotel. Sentence3: There are 11 museums in the centre. Sentence4: I'm looking for Hotels in the center area of town. Sentence5: Do you want hotel reservations? Sentence6: The Gonville Hotel is rated 3 stars. Can I book you a room? Sentence7: They have a 3 Star rating Sentence8: I have the Gonville Hotel with free parking in the center that is in the expensive price range. Sentence9: The Gonville Hotel is good. Can I book a room? Sentence10: Great. I have 3 options available for you. Is there a price range or star rating you prefer? Sentence11: Yes I need to know how many people wil be staying and for how long and from when. Sentence12: I AM also looking for a place to stay Sentence13: The Gonville hotel is nice. Would you like me to reserve you any rooms? Sentence14: What is their star rating? Sentence15: Does it have free wifi and what is the rating of the hotel? Sentence16: That's great, could you pick me one and provide the entrance fee, phone number, and address? Sentence17: Are there any museums close to the hotel? Sentence18: broughton house gallery is free entrance. The address is 98 king street and phone is 01223314960. Is there anything else? Sentence19: How many stars is the hotel rated? Sentence20: I don't care, but I'd like free parking. Question: Who has spoken the sentence 6? (A) User (B) System
Output: Answer: (A) User