The repulsive force of this magnet is very strong.

He is participating in the antinuclear movement.

His words and actions are always in contradiction.

His words contradicted his actions.

He devoted half a lifetime to music.

Considering all kinds of circumstances, we decided to postpone the plan.

His opinion was reflected in the final plan.

This town was once prosperous.

He is good at writing sentences using antonyms.

His song echoed in the mountains.