With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Judy Garland was a singer.
text_B: Cyclemania is a real-time motorcycle racing video game released by Accolade in .. Accolade. Accolade ( company ). real-time. Real-time game. motorcycle. motorcycle. racing video game. racing video game
not_related.