instruction: What are the top 5 comedic movies of all time
response: The debate for the best comedies is subjective and open to debate.  What is considered humorous can vary by region and evolves over time.  With that said, here are 5 popular comedies:
   - Dumb and Dumber
   - Anchorman
   - Monty Python and the Holy Grail
   - Airplane!
   - Planes, Trains and Automobiles