There is a girl wearing an American flag hat standing in a field.
A girl is standing in a field.
If there is a girl standing in the field then a girl is standing in the field.
exists p1 x1 e1 s1 x2 x3 x4 x5 x6 x7.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & in(x4,x7) & n_field(x7) & n_standing(x4) & of(x4,x6) & n_hat(x6) & of(x4,x5) & n_flag(x5) & a_american(s1) & Theme(s1,x4) & (x2 = x3) & n_girl(x2))
exists e1 x1 x2.(in(e1,x2) & n_field(x2) & Actor(e1,x1) & v_stand(e1) & n_girl(x1))