What are the keywords in the following sentence? pomegranates for sale in the markets
market, pomegranate, sale

What are the keywords in the following sentence? But, his hand reaches out to grasp his right abdomen.
grasp, hand, reach

What are the keywords in the following sentence? lapse of predawn light waiting for sunrise from the summit .
summit, sunrise, wait

What are the keywords in the following sentence? roasted steak on the grill with fire
fire, grill, steak