A brown bird is standing still in a grassy field.
The bird is flying in the air.
Standing is passive, flying is active.
exists e1 s1 s2 s3 x1 x2.(in(e1,x2) & n_field(x2) & a_grassy(s3) & Theme(s3,x2) & a_still(s2) & Manner(e1,s2) & Actor(e1,x1) & v_stand(e1) & n_bird(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_air(x2) & n_bird(x1) & in(e1,x2) & Actor(e1,x1) & v_fly(e1))