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: terry and june is a british sitcom that was shown on bbc one from 1979 until 1987.

SOLUTION: terry and june

PROBLEM: the waldorf astoria chicago, formerly the elysian hotel chicago, is a luxury hotel located at 11 east walton street in the gold coast area of chicago, illinois.

SOLUTION: waldorf astoria chicago

PROBLEM: an achondrite is a stony meteorite that is made of material similar to terrestrial basalts or plutonic rocks.

SOLUTION:
achondrite