With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Darth Vader is a person.
text_B: Antanas Zmuidzinavicius -LRB- October 31 , 1876 -- August 9 , 1966 -RRB- was a Lithuanian painter and art collector .. Lithuanian. Lithuanian language. Sometimes he used Antanas Zemaitis -LRB- `` Samogitian '' - a loose translation of his surname into Lithuanian -RRB- as his pen name .. Lithuanian. Lithuanian language. pen name. pen name
not_related.