The basic cause for the green flash is that refraction bends the light of the Sun.
(The basic cause for the green flash; is; that refraction bends the light of the Sun) Context(The basic cause for the green flash is,List([0, 38))):(refraction; bends; the light of the Sun)
The basic cause for the green flash is,List([0, 38))
The basic cause for the green flash refraction
is bends
that refraction bends the light of the Sun
the light of the Sun