Guy playing college basketball.
The girl is dribbling the ball
A guy can't be playing basketball if the girl currently is.
exists e1 x1 x2 x3.(ne_nam_guy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2) & of(x2,x3) & n_college(x3))
exists e1 x1 x2.(n_ball(x2) & n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_dribble(e1))