What are the keywords in the following sentence? mass transportation system with tree growing out the top
grow, system, tree

What are the keywords in the following sentence? The cross, bell and clock on the tower over a church
bell, church, tower

What are the keywords in the following sentence? A bagpiper sits at home and tries to find a new career.
find, home, sit

What are the keywords in the following sentence? A cat hides beside a basket at a window sill.
basket, cat, hide