A person, wearing a white shirt, is bowling at a bowling alley.
A person, in a white shirt, is watching a bowling tournament.
The subject cannot be watching  tournament and bowling at the same time.
exists e2 e1 s1 x1 x2 x3 x4 x5.(at(e2,x4) & n_alley(x4) & of(x4,x5) & n_bowling(x5) & Actor(e2,x1) & v_bowl(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_shirt(x4) & a_white(s1) & Theme(s1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_tournament(x2) & of(x2,x3) & n_bowling(x3) & n_person(x1))