What are the keywords in the following sentence? a boat makes its way slowly past island in harbor
boat, harbor, way

What are the keywords in the following sentence? v smoke covers part of the stadium caused by excited fans
fan, part, stadium

What are the keywords in the following sentence? shepherd plays the flute for sheep .
flute, sheep, shepherd

What are the keywords in the following sentence? sunrise on the lake in autumn
autumn, lake, sunrise