group of people running in the field
A dog plays with a pig in some mud.
A dog and pig are not people, and running does not automatically imply playing.
exists e1 x1 x2 x3 x4.(n_field(x4) & a_topic(x1) & of(x1,x2) & in(e1,x4) & Actor(e1,x3) & v_run(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3.(with(e1,x2) & in(x2,x3) & n_mud(x3) & n_pig(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))