Neologism is indicative of a thought disorder, in this case, schizophrenia. From Greek, Neo means new, and logos means word. Neo+logos = new words.
This is categorized under Positive Symptoms, psychotic behaviors that aren't usually seen in or displayed by healthy people.
The correct answer is A!!
I think it was because we really don't know what exactly happened in the past.
Also, I'm pretty sure people did not keep track of colored people back then.