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: mommy 
Mommy will pick up the kids after school. Some planets have more than one moon.

SOLUTION: unrelated

PROBLEM: Target: herself 
She pampers herself daily.. There is a store on that street.

SOLUTION: unrelated

PROBLEM: Target: grandfather 
My grandfather retired last year. He's almost 75 years old.

SOLUTION:
stereotype