What are the keywords in the following sentence? A train traveling through the countryside next to a herd of grazing sheep.
countryside, sheep, travel

What are the keywords in the following sentence? A banana, orange, pear, apple and avocado arrangement.
apple, banana, orange, pear

What are the keywords in the following sentence? small windmills pumping water from wells for agriculture are a common sight
pump, water, well, windmill

What are the keywords in the following sentence? paintings such as this one of the battle brought military conflict to life .
bring, life, painting