What are the keywords in the following sentence? Two teams playing soccer, practicing for the Olympics.
practice, soccer, team

What are the keywords in the following sentence? students from the school in a garden
garden, school, student

What are the keywords in the following sentence? Sheep laying next to smaller ones in hay.
hay, lay, sheep

What are the keywords in the following sentence? colorful petrified wood remains are scattered about the rolling hills
hill, roll, wood