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

Ex Input:
Sentence1: You're welcome. Can I help you with anything else? Sentence2: That is all. Thanks Sentence3: The post code is CB11JG. Sentence4: Thank you, what's the post code? Sentence5: Thank you for your help Sentence6: Cambridge, parkside police telephone number 01223358966. Sentence7: I need to get to the nearest police station, can you assist me? Sentence8: Okay. Have a good day and thanks for using our system. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Yes as long as its in the same area and price range. I need a reference number too then please Sentence2: I'm looking for a cheap restaurant in the west area. Sentence3: I was unable to book that, would you like me to try something else? Sentence4: Okay that is all I need for now. Sentence5: I was able to get you into Thanh Binh. Your reference number is CLIBOL1Q . Sentence6: Let's go with La Margherita. Could you book a table for 2 people at 13:30 on Saturday? Sentence7: Thank you and goodbye. Sentence8: You have your choice of La Margherita, which serves Italian food, or Thanh Binh, which offers vietnamese cuisine. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Hello! I need a guesthouse to stay in, and I really need it to include free parking for my van. Can you help? Sentence2: The Byard Art is a museum in the south located at 14 King's Parade, postcode cb21sj. Phone number 01223464646 and best yet, it is free! Sentence3: Yes, in the south, please, and someplace with 4 stars. Sentence4: Perfect! I'll need a room for 5 people on thursday. We'll be staying for 3 nights. Sentence5: I sure can! There are 21 guesthouses in the city that include free parking. Is there a certain part of town you'd like to stay in? Sentence6: You are booked into aylesbray lodge guest house. Your reference number is 744K1A1E . Do you need help with anything else? Sentence7: Thanks, you've been extremely helpful. That's all I needed! Sentence8: I'm looking for a place to go. Are there any museums in town? Sentence9: Great! Let us know if we can assist you in the future. Have a great day! Sentence10: aylesbray lodge guest house is available and is 4 stars, would you like me to book this for you? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:

Answer: (A) User