With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alessia Cara collaborated with Zedd.
text_B: Phauda mahisa is a species of moth in the Zygaenidae family .. Zygaenidae. Zygaenidae. Phauda. Phauda. moth. moth. It is found on Java in Indonesia .. Java. Java
not_related.