What are the keywords in the following sentence? security forces takes up positions on a road leading
lead, road, take

What are the keywords in the following sentence? a field of ripening wheat just before harvest
field, harvest, wheat

What are the keywords in the following sentence? each species of mushroom grows in a very specific habitat .
grow, mushroom, specie

What are the keywords in the following sentence? comes off the mountain after a late winter storm .
come, mountain, storm