I think that plan lacks realism.

The certainty of this plan's success is high.

I think this plan is highly practical.

The illegality of that act is clear.

Questions were raised about the legality of the act.

We need to check the relevance of this data.

He found it difficult to control his sexual urges.

No one should judge him for his sexual orientation.

We should respect diversity and consider it as our strength.

A healthy sex life is important for overall health.