With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stevie Nicks was only a member of Ween.
text_B: Goniothalamus curtisii is a species of plant in the Annonaceae family .. plant. plant. Annonaceae. Annonaceae. It is a tree endemic to Peninsular Malaysia .. endemic. endemism. Peninsular Malaysia. Peninsular Malaysia
not_related.