With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Saamy was remade.
text_B: Dolichoderus sagmanotus is a species of ant in the genus Dolichoderus .. Dolichoderus. Dolichoderus. ant. ant. Described by Xu in 2001 , the species is endemic to China .. China. China
not_related.