Concepts: country, southwest, tower, town, wall
A: a town an ancient city in the southwest of country hewn from towering walls of rock
Concepts: place, stone, type, worship
A: type of place of worship on a pillar of stone
Concepts: niche, organism, role
A: niche the special role an organism plays within a habitat .
Concepts: home, treadmill, walk
A:
A puppy is walking on the treadmill at home; with the assistance of his master.