With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jon Pertwee was in anything but a children's sitcom.
text_B: Senegalia polyacantha , also known as White Thorn is a flowering tree which can grow up to 25m tall .. Senegalia. Senegalia. Polyacantha has the meaning `` many thorns '' in Latin .. Latin. Latin. The tree is native to Africa , India , the Indian Ocean and Asia , but it has also been introduced to the Caribbean .. Africa. Africa. India. India. Indian Ocean. Indian Ocean. Asia. Asia. Caribbean. Caribbean
not_related.