A creek runs through the grassy area.
There is a creek through a grassy area.
creek runs through the grassy area is same as creek through a grassy area
exists e1 s1 x1 x2.(n_area(x2) & a_grassy(s1) & Theme(s1,x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_creek(x1))
exists p1 s1 x1 x2.(through(p1,x2) & n_area(x2) & a_grassy(s1) & Theme(s1,x2) & exists x3.((x1 = x3) & n_creek(x3)))