Phytoplankton are the start of the food chain, They produce their own food, Photosynthesis is their game.
(Photosynthesis; is; their game) (They; produce; their own food, Photosynthesis is their game) Context(They produce,List([47, 59))):(Phytoplankton; are; the start of the food chain)
They produce,List([47, 59))
Photosynthesis They Phytoplankton
is produce are
their game
their own food, Photosynthesis is their game
the start of the food chain