A man doing a back flip while another takes a picture.
A man is shooting an instructional video
Just because a man is doing a back flip it does not mean the man is shooting an instructional video.
exists e1 p1 s1 x1 x2 x3.(a_topic(x1) & exists e2 x4 x5.(Theme(e2,x5) & Actor(e2,x4) & v_take(e2) & n_picture(x5) & n_thing(x4)) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_flip(x3) & a_back(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_shoot(e1) & n_video(x2) & a_instructional(s1) & Theme(s1,x2) & n_man(x1))