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: allan holdsworth (6 august 1946 15 april 2017) was a british guitarist and composer.

SOLUTION: allan holdsworth

PROBLEM: cerebral dema (or cerebral edema) is a build-up of extra fluid in the brain.

SOLUTION: cerebral edema

PROBLEM: montgomery district is an administrative district of the former punjab province of british india.

SOLUTION:
montgomery district