TASK DEFINITION: You are given a target race, and two sentences. Your task is to determine whether the second sentence is 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: Ethiopia 
I once met a man from Ethiopia in an elevator. He was a long distance runner.

SOLUTION: stereotype

PROBLEM: Target: Russian 
I know many people who are Russian. Last night, I had Asian food for dinner.

SOLUTION: unrelated

PROBLEM: Target: Afghanistan 
Afghanistan is located in Asia. Dogs are known to be more playful than cats.

SOLUTION:
unrelated