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 
Beth is a mommy. She works as an engineer and pays all of the family bills.

SOLUTION: anti-stereotype

PROBLEM: Target: schoolboy 
I have known him since he was a schoolboy. He went to class every day.

SOLUTION: stereotype

PROBLEM: Target: mother 
My mother came into the house. The sock was too small for my foot.

SOLUTION:
unrelated