A lady with red-hair is submerged from the neck down in what looks like cold water.
A lady is in water.
Both sentences are referring to lady in water. Submerged and being in water are same
exists e1 x1 x2 x3 x4.(n_neck(x3) & from(e1,x3) & exists e2 s1 x5 x6.(n_thing(x5) & in(x4,x5) & like(e2,x6) & n_water(x6) & a_cold(s1) & Theme(s1,x6) & Actor(e2,x5) & v_look(e2)) & down(x3,x4) & n_thing(x4) & Theme(e1,x1) & v_submerge(e1) & with(x1,x2) & n_red-hair(x2) & n_lady(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_water(x2)) & n_lady(x1))