The typical four-year-old child's vocabulary is more than 1,000 words.
I think the most logical answer from my research is option c.
I'm not sure, but I tried.
Check out this website: http://www.notablebiographies.com/Ch-Co/Chaplin-Charlie.html .
It's really detailed and might help you find answers to your question.
He sets up a dead tree so it would fall and hit zaroff .