premise: A dog reaches to catch a ball with its mouth.
hypothesis: The dog is playing with a ball.
explanation_1: A dog can only be catching a ball with its mouth.
explanation_2: To catch a ball with its mouth implies playing.
explanation_3: A dog reaches to catch a ball means dog playing with ball.
premise_logic: exists e1 p1 x1 x3.(Topic(e1,p1) & Actor(e1,x1) & v_reach(e1) & exists e2 x2.(with(e2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_ball(x2)) & n_mouth(x3) & of(x3,x1) & n_thing(x1) & n_dog(x1))
hypothesis_logic: exists e1 x1 x2.(n_dog(x1) & with(e1,x2) & n_ball(x2) & Actor(e1,x1) & v_play(e1))