A couple stands close at the water's edge.
The couple is outside.
Water's edge implies outside.
exists e1 x1 x2 x3.(n_edge(x3) & of(x3,x2) & n_water(x2) & at(e1,x3) & r_close(e1) & Actor(e1,x1) & v_stand(e1) & n_couple(x1))
exists s1 x1.(n_couple(x1) & Theme(s1,x1) & a_outside(s1))