TASK DEFINITION: In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
PROBLEM: Where does the tree of life come from?

SOLUTION: many of the world's mythologies, religious and philosophical traditions

PROBLEM: Who is known as the father of strategy management?

SOLUTION: Harry Igor Ansoff

PROBLEM: Type of epithelial tissue containing cells that can change shapes as the tissue stretches?

SOLUTION:
a type of stratified epithelium