Binary opposition

Binary Opposition of The Invisible Alligator by Hayes Roberts

A binary opposition (also binary system) is a pair of related terms or concepts that are opposite in meaning. Binary opposition is the system of language and/or thought by which two theoretical opposites are strictly defined and set off against one another. It is the contrast between two mutually exclusive terms, such as on and off, up and down, left and right. Binary opposition is an important concept of structuralism, which sees such distinctions as fundamental to all language and thought. In structuralism, a binary opposition is seen as a fundamental organizer of human philosophy, culture, and language. https://en.m.wikipedia.org/wiki/Binary_opposition

In this story the binary opposition is the Invisible Alligator still need do something in right. Like stealing something and make some wrong things. But sari fixed what the alligator do. Like fix the bridge, moved the stone to the save place and many more.

Sari still do the good thing and the invisible alligator still do the bad things.