A girl with a knit dress and leg warmers using a computer.
The computer is on.
Using a computer implies that it is on.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & with(x1,x2) & subset_of(x5,x2) & Theme(e1,x8) & Actor(e1,x7) & v_use(e1) & n_computer(x8) & (x5 = x7) & n_warmer(x5) & of(x5,x6) & n_leg(x6) & subset_of(x3,x2) & n_dress(x3) & of(x3,x4) & n_knit(x4) & n_girl(x1))
exists s1 x1.(n_computer(x1) & Theme(s1,x1) & a_on(s1))