The dogs in numbered uniforms are running.
Dogs are trying to catch cats.
There can be either dogs running or dogs trying to catch cats.
exists e2 e1 x1 x2.(n_dog(x1) & Actor(e2,x1) & v_run(e2) & in(x1,x2) & n_uniform(x2) & Theme(e1,x2) & v_number(e1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_cat(x2)) & n_dog(x1))