A person trying desperately not to be photographed by putting their sweater over their head as they compute.
This person is taking their own picture
Someone desperate not to be photographed is unlikely to be taking their own picture
exists x1 x2 x3 x4.(a_topic(x1) & -exists e1 p1 s1.(a_desperately(s1) & Manner(e1,s1) & Topic(e1,p1) & Actor(e1,x2) & v_try(e1) & exists e3 e2 p2.(by(e2,e3) & exists e4.(Actor(e4,x1) & v_compute(e4)) & as(e3,p2) & over(e3,x4) & Theme(e3,x3) & Actor(e3,x2) & v_put(e3) & Theme(e2,x2) & v_photograph(e2))) & n_thing(x1) & n_thing(x1) & n_thing(x1) & n_head(x4) & of(x4,x1) & n_sweater(x3) & of(x3,x1) & (x1 = x2) & n_person(x1))
exists e1 s1 x1 x2.(n_picture(x2) & a_own(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1))