Produce a sentence which mentions all of these concepts: road, run, sheep

A small herd of sheep run down the road.

Produce a sentence which mentions all of these concepts: bottom, flow, hiker, motion, waterfall

a male hiker catches water near the bottom of a flowing waterfall in slow motion

Produce a sentence which mentions all of these concepts: ecology, environment, organism, study
ecology is the study of interactions that occur among organisms and their environments .