{"subject":"mother","predicate":"is_parent_of","object":"son"}
{"subject":"mother","predicate":"is_parent_of","object":"daughter"}
{"subject":"father","predicate":"is_parent_of","object":"son"}
{"subject":"father","predicate":"is_parent_of","object":"daughter"}
{"subject":"son","predicate":"is_child_of","object":"mother"}
{"subject":"son","predicate":"is_child_of","object":"father"}
{"subject":"daughter","predicate":"is_child_of","object":"mother"}
{"subject":"daughter","predicate":"is_child_of","object":"father"}
{"subject":"sister","predicate":"is_sibling_of","object":"brother"}
{"subject":"brother","predicate":"is_sibling_of","object":"sister"}
{"subject":"husband","predicate":"is_spouse_of","object":"wife"}
{"subject":"wife","predicate":"is_spouse_of","object":"husband"}
{"subject":"grandmother","predicate":"is_ancestor_of","object":"grandson"}
{"subject":"grandfather","predicate":"is_ancestor_of","object":"grandson"}
{"subject":"grandfather","predicate":"is_ancestor_of","object":"granddaughter"}
