An elderly woman speaks to a train attendant while the vehicle idles with waiting passengers
There is an elderly woman inside of a train
If the woman speaks to a train attendant, it's implied that she's inside a train.
exists e1 p1 s1 x1 x2 x3 x4.(n_vehicle(x4) & exists e2 e3 x5 x6.(with(e2,e3) & Theme(e3,x6) & Actor(e3,x5) & v_wait(e3) & n_passenger(x6) & Actor(e2,x4) & v_idle(e2)) & while(e1,p1) & to(e1,x2) & n_attendant(x2) & of(x2,x3) & n_train(x3) & Actor(e1,x1) & v_speak(e1) & n_woman(x1) & a_elderly(s1) & Theme(s1,x1))
exists p1 x1 s1 x2 x3.((x1 = x2) & of(x2,x3) & n_train(x3) & r_inside(x2) & n_woman(x2) & a_elderly(s1) & Theme(s1,x2))