The yellow dog is trying to catch a red Frisbee.
The dog was playing at the park with a frisbee.
Just because the dog caught a frisbee doesn't mean it's at the park.
exists e1 p1 s1 x1.(n_dog(x1) & a_yellow(s1) & Theme(s1,x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_frisbee(x2) & a_red(s2) & Theme(s2,x2)))
exists e1 x1 x2 x3.(n_park(x2) & n_dog(x1) & at(e1,x2) & with(x2,x3) & n_frisbee(x3) & Actor(e1,x1) & v_play(e1))