It was hunting that helped the family to survive.
(It; was hunting; that helped the family to survive) Context(It was hunting,List([0, 14))):(that; helped; the family to survive) Context(It was hunting that helped,List([0, 26))):(the family; to survive; )
It was hunting,List([0, 14)) It was hunting that helped,List([0, 26))
It that the family
was hunting helped to survive
that helped the family to survive
the family to survive