people at beach looking for things in sand
The people are friends.
just because people are at the beach looking for things in sand doesn't imply they are friends
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,x4) & in(x4,x5) & n_sand(x5) & n_thing(x4) & Actor(e1,x3) & v_look(e1) & (x1 = x3) & at(x1,x2) & n_beach(x2) & n_people(x1))
exists p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_friend(x2)))