He notes: &quot;On the earth, sand comes from rocks ground to small pieces by the ocean, or from rocks that were weathered by freezing water.
(He; quot; ) (sand; comes; from rocks ground to small pieces by the ocean, or from rocks; L:On the earth) Context(sand comes,List([30, 40))):(He; notes; ) (rocks; ground; to small pieces; by the ocean) (rocks; were weathered; )
sand comes,List([30, 40))
He sand He rocks rocks
quot comes notes ground were weathered
from rocks ground to small pieces by the ocean, or from rocks L:On the earth
to small pieces by the ocean