[about Violet]
Charlie Bucket: Grandpa, why doesn't she listen to Mr. Wonka?
Grandpa Joe: Because, Charlie, she's a nitwit!
  
  
  
  
  
   
  
  
Charlie Bucket: Grandpa, why doesn't she listen to Mr. Wonka?
Grandpa Joe: Because, Charlie, she's a nitwit!
 [about Violet]  
 Charlie Bucket : Grandpa, why doesn't she listen to Mr. Wonka? 
 Grandpa Joe : Because, Charlie, she's a  nitwit!  
http://www.moviequotedb.com/movies/willy-wonka-and-the-chocolate-factory/quote_29407.html