TASK DEFINITION: In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
PROBLEM: what is the purpose of a lesson plan

SOLUTION: guide class learning

PROBLEM: who plays sister bernadette on call the midwife

SOLUTION: Laura Main

PROBLEM: when was niagara falls established as a national park

SOLUTION:
1885