A white boy prepares food while looking at the camera.
A boy is giving a cooking tutorial.
Not all food preparation constitutes giving a cooking tutorial.
exists e1 e2 s1 x1 x2 x3.(n_camera(x3) & while(e1,e2) & at(e2,x3) & Actor(e2,x1) & v_look(e2) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_food(x2) & n_boy(x1) & a_white(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_tutorial(x2) & of(x2,x3) & n_cooking(x3) & n_boy(x1))