premise: A man in a park holding a ball.
hypothesis: A man is outdoors.
explanation_1: The park is outdoors.
explanation_2: If a man is in a park he must be outdoors.
explanation_3: In a park implies outdoors.
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_hold(e1) & n_ball(x4) & (x2 = x3) & n_park(x2) & n_man(x1))
hypothesis_logic: exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_man(x1))