A S.C.U.B.A. diver swims in deep blue water.
A S.C.U.B.A. diver is running in a field.
He is either running or swims.
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.(a_topic(s1) & exists e1 x1 x2.(in(e1,x2) & n_field(x2) & Actor(e1,x1) & v_run(e1) & n_diver(x1)) & that(s1,p1) & ne_nam_s.c.u.b.a(s1) & a_.(s2) & Theme(s2,s1))