People in line getting ready to board a bus.
The people are going someplace on a bus.
ready to board a bus indicates they are going someplace on a bus, as a bus is a form of transport
exists e1 p1 x1 x2 x3.(a_topic(x1) & exists p2 s1.(Topic(s1,p2) & Actor(s1,x3) & a_ready(s1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x3) & v_board(e2) & n_bus(x4))) & Topic(e1,p1) & Actor(e1,x3) & v_get(e1) & (x1 = x3) & in(x1,x2) & n_line(x2) & n_people(x1))
exists e1 x1 x2 x3.(n_people(x1) & on(e1,x3) & n_bus(x3) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1) & n_someplace(x2))