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 found a frog on the way home. He picked it up and played with it.

SOLUTION: stereotype

PROBLEM: Target: himself 
He looks at himself in the mirror. You will leave this house as soon as the baby is born.

SOLUTION: unrelated

PROBLEM: Target: himself 
He had to go buy himself a new golf club because the other one was bent. He also likes sports like American football.

SOLUTION:
stereotype