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: all we know is falling is the first album of the band paramore.

SOLUTION: all we know is falling

PROBLEM: de minimis is a legal term that means that small things do not matter in the law.

SOLUTION: de minimis

PROBLEM: sir alfred charles bernard lovell, obe, frs (31 august 1913 – 6 august 2012) was an english physicist and radio astronomer.

SOLUTION:
bernard lovell