A big dog carries a stick across a frozen pond.
The pet is riding in a car with their head out of the window.
It is impossible to be riding in a car across a frozen pond.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & across(x2,x3) & n_pond(x3) & a_frozen(s2) & Theme(s2,x3) & n_stick(x2) & n_dog(x1) & a_big(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(n_window(x4) & n_head(x3) & of(x3,x1) & n_thing(x1) & n_pet(x1) & of(e1,x4) & r_out(e1) & with(e1,x3) & in(e1,x2) & n_car(x2) & Actor(e1,x1) & v_ride(e1))