A girl dances with adults in the sand.
The girl joined in at the party on the beach.
Dances with adults does not imply there is a party and in the sand does not imply on the beach.
exists e1 x1 x2 x3.(n_sand(x3) & with(e1,x2) & in(x2,x3) & n_adult(x2) & Actor(e1,x1) & v_dance(e1) & n_girl(x1))
exists e1 s1 x1 x2 x3.(n_beach(x3) & n_party(x2) & n_girl(x1) & on(e1,x3) & at(e1,x2) & a_in(s1) & Manner(e1,s1) & Actor(e1,x1) & v_join(e1))