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: in law, a conviction is the verdict that results when a court of law finds a defendant guilty of a crime.

SOLUTION: conviction

PROBLEM: parnassiinae is a subfamily of butterflies.

SOLUTION: parnassiinae

PROBLEM: george li (chinese: 黎卓宇, pinyin: lí zhuōyǔ), born august 24, 1995 in boston, massachusetts, is a chinese american pianist.

SOLUTION:
george li