a dirty boy runs through the dirt.
A boy having some fun during the drought.
A boy running through dirt does not imply the presence of a drought.
exists e1 x1 x2 x3.(n_dirt(x3) & through(e1,x3) & Actor(e1,x1) & v_run(e1) & n_boy(x1) & of(x1,x2) & n_dirty(x2))
exists e1 x1 x2 x3 x4.(n_drought(x4) & a_topic(x1) & during(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_fun(x3) & (x1 = x2) & n_boy(x1))