A man and child working with electricity.
A child doing eletrical work with an adult
A man is an adult.  "doing electrical work" is a rephrasing of " working with electricity".
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & with(e1,x4) & n_electricity(x4) & Actor(e1,x3) & v_work(e1) & (s1 = x3) & n_child(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_adult(x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_work(x3) & a_eletrical(s1) & Theme(s1,x3) & (x1 = x2) & n_child(x1))