A dog catching a flexable Frisbee in its mouth.
A dog catches a Frisbee.
A dog catching implies the dog catches.  A Frisbee implies it is flexable.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_mouth(x4) & of(x4,x1) & n_thing(x1) & Theme(e1,x3) & Actor(e1,x2) & v_catch(e1) & n_frisbee(x3) & a_flexable(s1) & Theme(s1,x3) & (x1 = x2) & n_dog(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_frisbee(x2) & n_dog(x1))