premise: A group of people look over ledge.
hypothesis: The group of people are near the edge of the ledge.
explanation_1: A group of people are near the edge  which is a ledge
explanation_2: One must be near the edge of the ledge in order to look over ledge.
explanation_3: If a group of people are looking over the a ledge it implies they are near the edge.
premise_logic: exists e1 x1 x2 x3.(over(e1,x3) & n_ledge(x3) & Actor(e1,x1) & v_look(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists p1 x1 x2 x3 x4.(n_ledge(x4) & n_edge(x3) & n_group(x1) & near(x1,x3) & of(x3,x4) & of(x1,x2) & n_people(x2))