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: sister 
The sister has been noisy following me. Tennis is played with King Kong and Godzilla.

SOLUTION: unrelated

PROBLEM: Target: himself 
He likes himself better when he reads. Reading does not make one smart.

SOLUTION: anti-stereotype

PROBLEM: Target: schoolboy 
I used to drink a lot of soda when I was a schoolboy. Mac book air 2019 is great.

SOLUTION:
unrelated