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: himself 
I wanted for him to introduce himself. It's going to be a warm day today.

SOLUTION: unrelated

PROBLEM: Target: male 
All males like to fish. Some girls like to fish also.

SOLUTION: anti-stereotype

PROBLEM: Target: sister 
His sister was older by two years. She was usually let off the hook because she's a girl.

SOLUTION:
stereotype