A man stands by a wall playing a saxophone.
A man is climbing a wall with his saxophone.
The man cannot be playing his saxophone while climbing a wall.
exists e1 e2 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_play(e2) & n_saxophone(x3) & by(e1,x2) & n_wall(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2 x3.(with(e1,x3) & n_saxophone(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_wall(x2) & n_man(x1))