Two men in black shirts do handstands on a stage.
Two men are unable to walk on their legs, so they have gotten accustomed to using their hands.
Just because men do handstands it does not mean they are unable to walk on their legs.
exists e1 s1 x1 x2 x3 x4.(on(e1,x4) & n_stage(x4) & Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & n_handstand(x3) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 p1 p2 s1 x1 x2 x4.(r_so(e1) & exists e3 s2 x3.(to(s2,e3) & Theme(e3,x4) & Actor(e3,x3) & v_use(e3) & Theme(s2,x1) & a_accustomed(s2)) & n_hand(x4) & of(x4,x1) & n_thing(x1) & n_thing(x1) & n_thing(x1) & Topic(e1,p2) & Actor(e1,x1) & v_get(e1) & Topic(s1,p1) & Actor(s1,x1) & a_unable(s1) & exists e2.(on(e2,x2) & Actor(e2,x1) & v_walk(e2)) & n_leg(x2) & of(x2,x1) & n_man(x1) & card_eq_2(x1))