With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jules Dumont d'Urville explored a cave.
text_B: Stanley Havili -LRB- born November 14 , 1987 -RRB- is an American football fullback who is currently a free agent .. American football. American football. fullback. Fullback ( American football ). He was drafted by the Philadelphia Eagles in the seventh round of the 2011 NFL Draft .. Philadelphia Eagles. Philadelphia Eagles. 2011 NFL Draft. 2011 NFL Draft. He played college football at Southern California .. college football. college football. Southern California. USC Trojans football
not_related.