 
<prompt> Context: Alex was a firm believer in some really ridiculous ideas and theories, but with good arguments and logic, Casey changed Alex´s attitudes.
 Question: What does Casey need to do before this? 
A. write a book B. needed to beat up Alex C. needed to develop their argument
 In light of the aforementioned context, what is your response to the ensuing question? <response>: C. needed to develop their argument 