A whole in the center of the iris called the pupil allows light to enter the eye.
(the iris; called; the pupil) (A whole in the center of the iris; allows; light to enter the eye) Context(A whole in the center of the iris allows,List([0, 57))):(light; to enter; the eye)
A whole in the center of the iris allows,List([0, 57))
the iris A whole in the center of the iris light
called allows to enter
the pupil
light to enter the eye
the eye