(Plants need light to grow/plants need light to make chlorophyll).
(Plants; to grow; ) (plants; need; light; to make chlorophyll) Context(plants need,List([27, 38))):(Plants; need; light; to grow) Context(plants need,List([27, 38))):(plants; need light to make; chlorophyll)
plants need,List([27, 38)) plants need,List([27, 38))
Plants plants Plants plants
to grow need need need light to make
light to make chlorophyll
light to grow
chlorophyll