Figure 1: Animated Hydrant (circa 1990)

Figure 2: Man Progressing

Figure 3: samer

Explanations:
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Fact - Something that is defined to be true or can
be proven true using base definitions (axioms).
Opinion - A judgement that cannot be proven.
Relativity - The notion of difference of comparisons
when comparing two sets or the notion of difference of
comparisons when making comparisons using different scales.

By example:
there is a difference
in comparisons when
comparing one set of a
teaspoon and a cup and
another set of a cup
and the ocean.