A majority of 7 students knew that an average American throws away 3.5 lbs of trash each day.
(A majority of 7 students; knew; that an average American throws away 3.5 lbs of trash each day) Context(A majority of 7 students knew,List([0, 29))):(an average American; throws away; 3.5 lbs of trash each day)
A majority of 7 students knew,List([0, 29))
A majority of 7 students an average American
knew throws away
that an average American throws away 3.5 lbs of trash each day
3.5 lbs of trash each day