A white dog competing in an agility event.
A white dog competing .
The dog doesn't have to be competing in an agility event.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_event(x3) & of(x3,x4) & n_agility(x4) & Actor(e1,x2) & v_compete(e1) & (x1 = x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_compete(e1) & (x1 = x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))