Students grabbed a handful, estimated how many grams they held, and then measured the mass using a balance.
(Students; grabbed; a handful) (Students; measured; the mass; T:then) (Students; estimated; how many grams they held) Context(Students estimated,List([0, 37))):(they; held; )
Students estimated,List([0, 37))
Students Students Students they
grabbed measured estimated held
a handful
the mass T:then
how many grams they held