A man with a backpack takes a rest in the tall grass.
A man with a green backpack takes a rest in the tall grass.
The man's backpack does not necessarily have to be green.
exists e1 s1 x1 x2 x3 x4.(n_grass(x4) & a_tall(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & in(x3,x4) & n_rest(x3) & with(x1,x2) & n_backpack(x2) & n_man(x1))
exists e1 s1 s2 x1 x2 x3 x4.(n_grass(x4) & a_tall(s2) & Theme(s2,x4) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & in(x3,x4) & n_rest(x3) & with(x1,x2) & n_backpack(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))