A woman scuba diving with a large sea turtle.
A woman following a sea turtle.
Diving with a turtle does  not mean she is following it.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x4) & n_turtle(x4) & of(x4,x5) & n_sea(x5) & a_large(s1) & Theme(s1,x4) & Actor(e1,x3) & v_dive(e1) & (x1 = x3) & n_scuba(x1) & of(x1,x2) & n_woman(x2))
exists x1 x2 x3.(a_topic(x1) & follow(x1,x2) & n_turtle(x2) & of(x2,x3) & n_sea(x3) & n_woman(x1))