Sometimes it is fun to be with the family outdoors.
They are playing catch.
It cannot be inferred that the family is having fun playing catch outdoors.
exists e1 p1 x1 x2 x3 x4.(n_outdoors(x3) & of(x3,x4) & n_family(x4) & n_thing(x1) & r_sometimes(e1) & Topic(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_be(e1) & exists p2.with(x2,x3) & n_fun(x2))
exists e1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_catch(x2))