With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Indonesia is a continent.
text_B: The Camelion class was a class of screw-driven sloops of wood construction , designed by Isaac Watts and operated by the Royal Navy .. Royal Navy. Royal Navy. Eight ships of the class were built from 1858 to 1866 with another eight cancelled .. They were initially rated as second-class sloops , but were later reclassified as corvettes .
not_related.