A woman is jumping over a hurdle on a track in front of a grassy field with people on it.
The woman is sitting on the grass in the park.
One cannot be sitting at the same time as jumping. You also cannot be on the grass and on a track in front of a grassy field at the same time
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(on(e1,x1) & n_thing(x1) & with(e1,x6) & n_people(x6) & in(e1,x4) & of(x4,x5) & n_field(x5) & a_grassy(s2) & Theme(s2,x5) & n_front(x4) & on(e1,x3) & n_track(x3) & a_over(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_hurdle(x2) & n_woman(x1))
exists e1 x1 x2 x3.(n_park(x3) & n_grass(x2) & n_woman(x1) & in(e1,x3) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))