A swimmer prepares to dive in with a small crowd around.
A dog and a pig play in some mud.
A swimmer is not synonymous with a dog and a pig.
exists e1 s1 x1 x2 x3 x4.(to(e1,x2) & with(x3,x4) & r_around(x4) & n_crowd(x4) & a_small(s1) & Theme(s1,x4) & in(x2,x3) & n_thing(x3) & n_dive(x2) & Actor(e1,x1) & v_prepare(e1) & n_swimmer(x1))
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_mud(x4) & n_play(x2) & of(x2,x3) & n_pig(x3) & subset_of(x1,s1) & n_dog(x1))