He's not in my line of business.
Historians can only point out those lines for which evidence is available.
Word: "line"
different meanings

Mow the grass.
He mowed the lawn.
Word: "mow"
the same meaning

Steve is a boy of 16.
She made the boy brush his teeth every night.
Word: "boy"
the same meaning

This mushrooms can poison.
Poison someone's mind.
Word: "poison"
different meanings