A S.C.U.B.A. diver swims in deep blue water.
In the deep blue water a S.C.U.B.A. diver is swimming.
Swims and swimming have the same meaning.
exists s1 s2 s3 s4 x1 x2 x3 x4.(a_topic(x3) & n_diver(x3) & Time(x3,x4) & n_swim(x4) & ne_nam_s.c.u.b.a(x3) & a_.(s4) & Theme(s4,x3) & in(x2,x1) & ne_nam_s.c.u.b.a(x2) & a_.(s3) & Theme(s3,x2) & n_water(x1) & a_blue(s2) & Theme(s2,x1) & a_deep(s1) & Theme(s1,x1))
exists p1 s1 s2 x1 x4.(n_water(x4) & a_blue(s2) & Theme(s2,x4) & a_deep(s1) & Theme(s1,x4) & all x3.(ne_nam_s.c.u.b.a(x3) -> (in(p1,x4) & for(x4,x3))) & exists x2.((x1 = x2) & n_swimming(x2)) & n_diver(x1))