What element of the plot sets the scene for the rest of the play? PLSSS HELP I AM RLY NEEDING THIS FAST PLS!!!

taking into account that a theme is the central topic a text treats and can be developed through a story, play, poem etc. the following are themes that can be further developed:  

my best friend jeffrey has many unusual interests. (the story could be about each of the unususal interests)

once a man gives his soul over to evil, he can never go back. (this could be a saying or a proverb)

the three sheepdogs lay around the yard all day. (it could be developed detailing how each of these sheepdogs lay around)

a priest's collar has an unusual effect upon people. (it could be developed detailing the different effect upon people)

innocence is a powerful force in a world full of corruption. (it could be developed detailing how is a world full of corruption)

king lear is a play shakespeare wrote later. (it is just a sentence and doesnt give any idea or topic to be discussed in details.

evil often wears the disguise of innocence. (this could be a saying or a proverb)

pre-writing

why we feel good, or better, when we laugh?

is there a scientific explanation for this to happen?

which are the sources?

rough draft

laughter has a way of instantly connecting people and is one of the most basic and fundamental ways in which we communicate as human beings.

newport academy: endorphins reduce stress and strength social connections.

they combat anxiety and depression.

final draft

we know that when we laugh we feel better; when something is making us laugh it means we thought it was funny at some point, even if it was not meant that way. what we know is that it made us feel good. that is something we all can realize easily, but is it a chemical explanation for it to happen? of course there

according to joe bluett, laughter has a way of instantly connecting people and is one of the most basic and fundamental ways in which we communicate as human beings. also, he says that laughter can increase confidence, self-esteem, creativity, positivity and resilience, bringing positive changes to all aspects of our lives.

the newport academy says that, when we laugh, we release endorphins and that makes our body feel instantly relieved from tension and worry. endorphins also reduce stress and strength social connections.

therefor, laughter is the best to combat anxiety and depression.