A black dog approaches the camera with his hind legs raised and his ears forward.
The dog is playful.
A dog with hind legs raised may be distressed rather than playful.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(n_ear(x7) & of(x7,x2) & n_male(x2) & n_male(x2) & n_leg(x4) & of(x4,x5) & n_hind(x5) & of(x4,x2) & n_camera(x2) & with(e1,x3) & subset_of(x7,x3) & r_forward(x7) & subset_of(x4,x3) & Theme(e2,x6) & v_raise(e2) & (x4 = x6) & Theme(e1,x2) & Actor(e1,x1) & v_approach(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_playful(s1))