Concrete poetry is not about a specific poem about "True or False". Instead, it is a form of poetry where the visual appearance of the poem is as important as the words themselves. The words are arranged on the page to create a visual image or shape that relates to the poem's theme.
For example, a poem about a tree might be shaped like a tree, or a poem about a spiral might be written in a spiral shape.
Therefore, concrete poetry is not tied to any specific poem, but rather uses the visual form of the poem to enhance the meaning and message.