With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adam West has a career spanning several decades.
text_B: Shorea obovoidea is a species of plant in the Dipterocarpaceae family .. Dipterocarpaceae. Dipterocarpaceae. Shorea. Shorea. plant. plant. It is a tree endemic to Borneo .. endemic. endemism. Borneo. Borneo
not_related.