A young child plays on an electronic device with a stylus
A child is playing on a device with a pen.
A stylus is sometimes called a pen, and a child would not be playing on a device with a pen.
exists e1 s1 s2 x1 x2 x3.(on(e1,x2) & with(x2,x3) & n_stylus(x3) & n_device(x2) & a_electronic(s2) & Theme(s2,x2) & Actor(e1,x1) & v_play(e1) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(with(e1,x3) & n_pen(x3) & on(e1,x2) & n_device(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))