People pass each other on a busy city street while talking on their cellphones.
There are people walking along the street.
If people pass each other while talking on their cellphones they are waling along the street.
exists x1 x5.(all x2.(n_other(x2) -> exists e1 e2 s1 x3 x4.(while(e1,e2) & on(e2,x5) & Actor(e2,x1) & v_talk(e2) & on(e1,x3) & n_street(x3) & of(x3,x4) & n_city(x4) & a_busy(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_pass(e1))) & n_cellphone(x5) & of(x5,x1) & n_thing(x1) & n_people(x1))
exists p1 x1 x4.(n_street(x4) & exists e1 x2 x3.((x1 = x2) & along(e1,x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2)))