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: a dashiki is a loose fitting, brightly coloured garment associated with african culture.

SOLUTION: dashiki

PROBLEM: a hamburger is a type of sandwich with cooked ground meat between the two halves of a bun.

SOLUTION: hamburger

PROBLEM: henry's marriage to catherine of aragon was finally annulled in the following may by archbishop cranmer, thus ending the first of henry's 6 marriages.

SOLUTION:
catherine of aragon