A lady in a black tank top talks on her cellphone.
A woman talks on her phone on the train.
A woman might talk on her phone when she's not on the train.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(x2,x4) & n_cellphone(x4) & of(x4,x1) & n_female(x1) & n_talk(x2) & a_top(s2) & Theme(s2,x2) & of(x2,x3) & n_tank(x3) & a_black(s1) & Theme(s1,x2) & n_lady(x1))
exists x1 x2 x3 x4.(n_train(x4) & a_topic(x1) & on(x1,x3) & on(x3,x4) & n_phone(x3) & of(x3,x1) & n_female(x1) & n_talk(x1) & of(x1,x2) & n_woman(x2))