What are the keywords in the following sentence? a caravan of camels crosses a bridge
camel, caravan, cross

What are the keywords in the following sentence? mushroom growing on a tree
grow, mushroom, tree

What are the keywords in the following sentence? politician on a state visit visited country and met with religious leader
country, leader, politician, visit

What are the keywords in the following sentence? A female in dark shorts is pushing her mode of transportation down the road.
female, mode, road, short, transportation