People wait in line to board a double decker bus under streetlights
Humans board a bus.
People means humans and only humans can a board bus.
exists e1 p1 x1 x2.(in(e1,x2) & n_line(x2) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 s1 x3 x4 x5.(under(e2,x5) & n_streetlight(x5) & Theme(e2,x3) & Actor(e2,x1) & v_board(e2) & n_bus(x3) & of(x3,x4) & n_decker(x4) & a_double(s1) & Theme(s1,x3)) & n_people(x1))
all x1.(n_bus(x1) -> exists x2 x3.(a_topic(x2) & for(x2,x1) & n_board(x2) & (x2 = x3) & ne_nam_humans(x3)))