A woman is talking on a cellphone.
a lady talks to someone on the phone
If someone talks they are also talking
exists e1 x1 x2.(on(e1,x2) & n_cellphone(x2) & Actor(e1,x1) & v_talk(e1) & n_woman(x1))
exists x1 x2 x3 x4.(n_phone(x4) & a_topic(x1) & on(x1,x4) & to(x1,x3) & n_person(x3) & n_talk(x1) & of(x1,x2) & n_lady(x2))