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: schoolboy 
the schoolboy ran across the road. the boy had large books.

SOLUTION: stereotype

PROBLEM: Target: mommy 
The boy thought his mommy would refuse to let him go to the playground. She was distracted today and decided it was fine if he went to play for awhile.

SOLUTION: stereotype

PROBLEM: Target: schoolboy 
I watch the schoolboy board the bus. He is rowdy and dirty.

SOLUTION:
stereotype