Model posing against a white wall.
a model is posing
Posing against a white wall implies posing
exists e1 s1 x1 x2.(ne_nam_model(x1) & against(e1,x2) & n_wall(x2) & a_white(s1) & Theme(s1,x2) & Actor(e1,x1) & v_pose(e1))
exists e1 x1.(Actor(e1,x1) & v_pose(e1) & n_model(x1))