premise: A man on a bicycle, wearing an all black outfit, looks as though he's hanging in midair over a bridge.
hypothesis: a man walking down the road watches birds
explanation_1: On a motorcycle means the man is riding not walking down the road.
explanation_2: The man is either on a bicycle or walking
explanation_3: If you are hanging in midair you cannot also be walking.
premise_logic: exists e2 e1 p1 s1 x1 x2 x3 x4.(exists e3 x5 x6.(over(e3,x6) & n_bridge(x6) & in(e3,x5) & n_midair(x5) & Actor(e3,x1) & v_hang(e3)) & n_male(x1) & as(e2,p1) & Actor(e2,x1) & v_look(e2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_outfit(x4) & a_black(s1) & Theme(s1,x4) & (x1 = x3) & on(x1,x2) & n_bicycle(x2) & n_man(x1))
hypothesis_logic: exists e2 e1 x1 x2 x3 x4.(n_road(x3) & Theme(e2,x4) & Actor(e2,x1) & v_watch(e2) & n_bird(x4) & down(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1))