A group of people in jeans and white shirts are bent over a piece of wood.
They group was bending over the water.
The object over which the group is bending cannot be wood AND water.
exists s1 s2 x1 x2 x3 x4 x5 x6 x7.(over(s2,x6) & of(x6,x7) & n_wood(x7) & n_piece(x6) & Theme(s2,x1) & a_bent(s2) & of(x1,x2) & subset_of(x5,x2) & n_shirt(x5) & a_white(s1) & Theme(s1,x5) & subset_of(x3,x2) & in(x3,x4) & n_jeans(x4) & n_people(x3) & n_group(x1))
exists e1 s1 x1 x2.(n_water(x2) & over(e1,x2) & Actor(e1,x1) & v_bend(e1) & n_group(x1) & a_they(s1) & Theme(s1,x1))