A girl in a black shirt looks at the camera while eating an apple and another smiles while looking downward.
Both girls are eating oranges.
If both girls are eating oranges one is not eating an apple and another smiling.
exists e2 e4 e1 e3 s1 s2 x1 x2 x3 x4 x5.(n_camera(x3) & while(e3,e4) & a_downward(s2) & Manner(e4,s2) & Actor(e4,x5) & v_look(e4) & Actor(e3,x5) & v_smile(e3) & n_thing(x5) & while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_eat(e2) & n_apple(x4) & at(e1,x3) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_girl(x1))
exists e1 x1 x2.(n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_orange(x2))