First, he told us that many pigments are there in a leaf but when the leaf is making chlorophyll, the green chlorophyll covers up the other pigments.
(the leaf; is making; chlorophyll) (the green chlorophyll; covers up; the other pigments; T:when the leaf is making chlorophyll) (he; told; us; that many pigments are there in a leaf but when the leaf is making chlorophyll, the green chlorophyll covers up the other pigments; T:First) Context(he told,List([7, 14))):(many pigments; are; there; L:in a leaf)
he told,List([7, 14))
the leaf the green chlorophyll he many pigments
is making covers up told are
chlorophyll
the other pigments T:when the leaf is making chlorophyll
us that many pigments are there in a leaf but when the leaf is making chlorophyll, the green chlorophyll covers up the other pigments T:First
there L:in a leaf