With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alessia Cara released her debut single "Here" in 2016.
text_B: Black and Yellow #Remakes and freestyles. Jeremiah Peabody 's Polyunsaturated Quick-Dissolving Fast-Acting Pleasant-Tasting Green and Purple Pills. Nika riots of Constantinople , between the Blue and Green groups. Nika riots. Nika riots. Constantinople. Constantinople. The Geometry of Shadows - Babylon 5 episode featuring riots between Purple and Green groups , in reference to the Nika riots. Nika riots. Nika riots. The Geometry of Shadows. The Geometry of Shadows. Babylon 5. Babylon 5
not_related.