What does beatty mean when he says everything boils down to the gag, the snap ending?

Using the library or the internet as a resource, locate and watch two different live production interpretations of act iii of our town. then, compare and contrast how the two interpretations represented the original play. did either of the interpretations make any changes to the original material? if so, how did it affect your experience as a viewer? did you interpret the characters any differently after watching the live productions? why or why not?