TASK DEFINITION: You are given a target person and two sentences. Your task is to determine whether the second sentence conveys either a stereotype, anti-stereotype, or is unrelated with respect to the first sentence and the target.  A stereotype is a widely held but oversimplified notion of a group of people. An anti-stereotype is an idea that goes against the widely held but oversimplified notion of a group of people. Sentences and targets are unrelated if there is no relevance between them.
PROBLEM: Target: mother 
She is the twin's mother. She is a lazy, unkind person.

SOLUTION: anti-stereotype

PROBLEM: Target: grandfather 
Everyone has a Grandfather. He is often nice to his children's children.

SOLUTION: stereotype

PROBLEM: Target: mommy 
Mommy will pick up the kids after school. She is mean and often forgets the children.

SOLUTION:
anti-stereotype