What are the keywords in the following sentence? heavy rain on the lake on a moody windy day
day, lake, rain

What are the keywords in the following sentence? big military aircraft against the blue sky and the shiny sun
aircraft, sky, sun

What are the keywords in the following sentence? this adventure begins with a walk through the forest along a bubbling stream
adventure, begin, forest

What are the keywords in the following sentence? monks in meditation at a temple
meditation, monk, temple