A silhouetted person is bowling.
The person gets a strike.
The person that gets a strike isn't necessarily bowling.
exists e1 s1 x1.(Actor(e1,x1) & v_bowl(e1) & n_person(x1) & a_silhouetted(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_strike(x2))