Guy blacking a guitar on stage.
a girl chases dog
A guy blacking cannot be a girl chasing a dog.
exists e1 x1 x2 x3.(ne_nam_guy(x1) & on(e1,x3) & n_stage(x3) & Theme(e1,x2) & Actor(e1,x1) & v_black(e1) & n_guitar(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_dog(x2) & n_girl(x1))