A man is busy at work examining photographs.
A person busily examines objects.
just because a man is busy at work doesn't imply he is busily examines objects.
exists e1 s1 x1 x2 x3.(at(s1,x2) & n_photograph(x2) & Actor(e1,x2) & v_examine(e1) & of(x2,x3) & n_work(x3) & Theme(s1,x1) & a_busy(s1) & n_man(x1))
exists e1 s1 x1 x2.(a_busily(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_examine(e1) & n_object(x2) & n_person(x1))