A man is cutting grass on a large field on a green rising mower.
A girl is pushing a stroller across a barren field.
A person is a man or a girl while a barren field has no need of cutting grass on a large field on a mower and pushing a stroller can not occur while on a mower.
exists e2 e1 s1 s2 x1 x2 x3 x4.(on(e1,x4) & n_mower(x4) & Actor(e2,x4) & v_rise(e2) & a_green(s2) & Theme(s2,x4) & on(e1,x3) & n_field(x3) & a_large(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_cut(e1) & n_grass(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(across(e1,x3) & n_field(x3) & a_barren(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_stroller(x2) & n_girl(x1))