What are the keywords in the following sentence? A fire hydrant across from a red bricked building.
bricke, building, hydrant

What are the keywords in the following sentence? waterfalls flowing in idyllic uncontaminated environment crossing green meadows and boulders in summer
boulder, cross, environment, flow, waterfall

What are the keywords in the following sentence? the statue of liberty looks out
liberty, look, statue

What are the keywords in the following sentence? ceiling with tiles and stained glass windows
ceiling, tile, window