Adults sitting behind a conference table with bottles of water.
Adults lay at the beach sun bathing.
If adults are sitting it is not possible for them to lay.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(e1,x5) & of(x5,x6) & n_water(x6) & n_bottle(x5) & behind(e1,x3) & n_table(x3) & of(x3,x4) & n_conference(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_adult(x1))
exists e1 x1 x2 x3 x4.(n_bathing(x2) & of(x2,x4) & n_sun(x4) & of(x2,x3) & n_beach(x3) & at(e1,x2) & Actor(e1,x1) & v_lay(e1) & n_adult(x1))