The foundation of all parables is some analogy or similitude between the tropical or allusive part of the parable and the thing intended by it.

They'd switch frequencies and there she'd be like Tokyo Rose, giving them the business. “What you doing here, Marines? You come to kill us? Why? We haven't done nothing to you.”

The hippies were noted for their anti-establishment ways, firmly opposed to the order their parents so revered.

I might have misplaced my umbrella; do you know where it is?