He encourages the students to use their hand lens to examine the shells.
(He; encourages; the students; to use their hand lens to examine the shells) (the students; to use; their hand lens; to examine the shells) Context(the students to use,List([14, 33))):(the students; to use their hand lens to examine; the shells)
the students to use,List([14, 33))
He the students the students
encourages to use to use their hand lens to examine
the students to use their hand lens to examine the shells
their hand lens to examine the shells
the shells