Men with camels gather on a beach.
Men with camels are on a beach.
It has already been stated that men with camels are on a beach.
exists e1 x1 x2 x3.(on(e1,x3) & n_beach(x3) & Actor(e1,x1) & v_gather(e1) & with(x1,x2) & n_camel(x2) & n_man(x1))
exists p1 x1 x2.(exists x3.(on(x1,x3) & n_beach(x3)) & with(x1,x2) & n_camel(x2) & n_man(x1))