What are the keywords in the following sentence? Veteran rocker is performing a tribute in the deadly hot sun.
perform, rocker, tribute

What are the keywords in the following sentence? biological genus growing on the facade of a building
building, facade, grow

What are the keywords in the following sentence? An urn resting on a tree on a beach.
beach, rest, tree

What are the keywords in the following sentence? cells are the basic structural units of living organisms .
cell, live, organism