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 on a bike in all black hangs appears to hang in the air over a bridge
explanation_1: A bike is a short form of bicycle.  Midair means hanging in the air.
explanation_2: A man on a bicycle and another man on a bike in all black hangs appears to hang in the air over a bridge and another one one looks as though he's hanging in midair over a bridge.
explanation_3: man on a bicycle is the same as man on a bike
premise_logic: exists e1 e2 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 x1 x2 x5.(n_air(x5) & all x3.(n_black(x3) -> exists e1 e2 p1 x4.(Topic(e2,p1) & Actor(e2,x1) & v_appear(e2) & exists e3 x6.(over(e3,x6) & n_bridge(x6) & in(e3,x5) & Actor(e3,x1) & v_hang(e3)) & on(x1,x2) & in(x2,x3) & Actor(e1,x4) & v_hang(e1) & (x3 = x4))) & n_bike(x2) & n_man(x1))
premise_sim: exists e1 e2 p1 s1 x1 x2 x3 x4.(v_wear(e1) & v_look(e2) & on(x1,x2) & n_outfit(x4) & n_man(x1) & n_male(x1) & n_bicycle(x2) & exists e3 x5 x6.(v_hang(e3) & over(e3,x6) & n_midair(x5) & n_bridge(x6) & in(e3,x5) & Actor(e3,x1)) & as(e2,p1) & a_black(s1) & Theme(s1,x4) & Theme(e1,x4) & Actor(e2,x1) & Actor(e1,x3) & (x1 = x3))
hypothesis_sim: exists x1 x2 x5.(n_man(x1) & n_bike(x2) & n_air(x5) & all x3.(exists e1 e2 p1 x4.(v_hang(e1) & v_appear(e2) & on(x1,x2) & in(x2,x3) & exists e3 x6.(v_hang(e3) & over(e3,x6) & n_bridge(x6) & in(e3,x5) & Actor(e3,x1)) & Topic(e2,p1) & Actor(e2,x1) & Actor(e1,x4) & (x3 = x4)) | -n_black(x3)))