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

Ex Input:
Sentence1: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: I am looking for a police station in Parkside Sentence2: Best wishes to you. Have a good day. Sentence3: No. That's all I wanted to know. Thanks. Sentence4: There is a police station in Parkside. The postal code is CB11JG and the phone number is 01223358966. Is there anything else I can help you with? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Is there anything else I can help you with? Sentence2: Oh no! You will want to contact the Parkside Police at 01223358966. Sentence3: an get the postcode please? Sentence4: I was robbed and I need help! Sentence5: The postcode to the police is CB11JG. Sentence6: Thank you for using our services. Sentence7: Perfect, thanks for your help. Sentence8: No, you have been very helpful. Thank you and have a good day. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System