Deleted Scene: Last Day

I hear a book being written, my sister says, or is it a poem?
 
Her eyes are closed.
 
It has a lot of semicolons.
 
 
One sentence or two? she wants to know. Comma? Period.
 
Well, I say, semicolons join and separate.
 
 
Grammar, my sister says, is very interesting.

Copyright Credit: Donna Masini, "Deleted Scene: Last Day" from 4:30 Movie by Donna Masini. Copyright © 2018 by Donna Masini.  Reprinted by permission of W. W. Norton & Company, Inc.