Children are trying to catch objects with a net.
Children playing with a net.
Children who are playing with a net are trying to catch objects with it.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2 x3.(with(e2,x3) & n_net(x3) & Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_object(x2)) & n_child(x1))
exists e1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_net(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))