TASK DEFINITION: Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
PROBLEM: panoplosaurus was an armored tank-like dinosaur from the upper cretaceous, living about 76–73 million years ago.

SOLUTION: panoplosaurus

PROBLEM: milwaukee is the largest city in the state of wisconsin.

SOLUTION: milwaukee

PROBLEM: def tech is a japanese group.

SOLUTION:
def tech