When it is dark and limited amounts of light enter the eye, the iris opens.
(the iris; opens; T:When it is dark and limited amounts of light enter the eye) (it; is; dark and limited amounts of light enter the eye) Context(it is,List([5, 10))):(dark and limited amounts of light; enter; the eye)
it is,List([5, 10))
the iris it dark and limited amounts of light
opens is enter
T:When it is dark and limited amounts of light enter the eye
dark and limited amounts of light enter the eye
the eye