This research is based on empirical data.

This plan is not practical.

We should build a democratic society.

Her father is receiving palliative care.

He is interested in ichthyological research.

This design has a unique charm because it is asymmetrical.

He accidentally held her hand.

I'm troubled by his unproductive attitude.

He was affected by secondary effects.

That theory is unscientific and has no evidence at all.