What are the keywords in the following sentence? An old middle eastern man is selling corn-on-the-cob from his brother's cart.
cart, cob, corn, sell

What are the keywords in the following sentence? Men loading a box onto a wagon hooked up to horses.
box, horse, wagon

What are the keywords in the following sentence? dentist explaining the details of dental mold to his patient
dentist, explain, patient

What are the keywords in the following sentence? light shining through stained glass in a church .
church, shine, stain