premise: Children playing on a playground.
hypothesis: There are children playing outside.
explanation_1: The children are outside because they are on a playground.
explanation_2: A playground is a place where children are often found playing.  Many playgrounds are outside.
explanation_3: If the children are on a playground, they are outside.
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_playground(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))
hypothesis_logic: exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_outside(x4) & (x2 = x3) & n_child(x2))