X1014245300-00355-71466</DOCNO> From the Top of the World... Scientists once thought that sunlight was source of energy for all life and that photosynthesis was the only way to make food.
(photosynthesis; was; the only way to make food) (Scientists; thought; that sunlight was source of energy for all life and that photosynthesis was the only way; T:once) Context(Scientists thought,List([61, 84))):(sunlight; was; source of energy for all life) (sunlight; was source of; energy)
Scientists thought,List([61, 84))
photosynthesis Scientists sunlight sunlight
was thought was was source of
the only way to make food
that sunlight was source of energy for all life and that photosynthesis was the only way T:once
source of energy for all life
energy