A man in a green shirt climbs an indoor climbing wall.
A man does not climb a wall because he is afraid of heights.
climbs is contradictory to afraid of heights
exists e1 e2 s1 s2 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_climb(e2) & n_wall(x3) & Actor(e1,x3) & v_climb(e1) & a_indoor(s2) & Theme(s2,x3) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists x1.(-exists e1 p1 x2.(exists s1 x3.(of(s1,x3) & n_height(x3) & Theme(s1,x1) & a_afraid(s1)) & because(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_wall(x2)) & n_male(x1) & n_man(x1))