The grass in the field is short.
The field's grass has recently been mowed.
Grass is only short if it has recently been mowed.
exists s1 x1 x2.(n_field(x2) & n_grass(x1) & Theme(s1,x1) & a_short(s1) & in(x1,x2))
exists e1 s1 x1 x2.(n_grass(x2) & of(x2,x1) & n_field(x1) & a_recently(s1) & Manner(e1,s1) & Theme(e1,x2) & v_mow(e1))