Predicting Star Trek TOS Spoken Lines with scikit-Learn

In a previous post, I collected the transcripts of all the original Star Trek seasons and analyzed linguistic features of Kirk and Spock.  In this post, I train a scikit-Learn model on the Kirk, Spock and McCoy lines spoken in hopes that one of those three speakers can be guessed when given unknown lines.

Kirk vs Spock Linguistics Head-to-Head

Today I harvested the three seasons of Star Trek TOS episode scripts from a friendly website hosting the annotated text.  Then I extracted just the lines spoken by Captain Kirk and just the lines of Mr Spock. So how does Kirk match up to Spock linguistically?