What are the keywords in the following sentence? He looks lonely as he finally comes to a stop.
come, look, stop

What are the keywords in the following sentence? the clouds move over the valley surrounded by mountains in the evening light
cloud, light, valley

What are the keywords in the following sentence? paintings depicting the crucifixion of builder .
builder, depict, painting

What are the keywords in the following sentence? A construction worker laying pipe for a new drainage system.
lay, pipe, worker