What are the keywords in the following sentence? coal is loaded onto barges at a port .
barge, coal, load

What are the keywords in the following sentence? Two fresh pizzas with mushrooms and olives sitting on pizza paddles.
olive, paddle, pizza

What are the keywords in the following sentence? couple of skiers laying down in the snow
lay, skier, snow

What are the keywords in the following sentence? white fluffy clouds on horizon in the sky
cloud, horizon, sky