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 
That woman is a mommy. She's been up most of the night, working on her business plans.

SOLUTION: anti-stereotype

PROBLEM: Target: schoolgirl 
My sister is a schoolgirl. She does not do any work.

SOLUTION: stereotype

PROBLEM: Target: grandfather 
Our grandfather is 80 years old. He doesn't know how to use a computer.

SOLUTION:
stereotype