People moving along a crowded street while children are watching.
There is a single person walking down the street wondering where all the people went.
Number of people on the street differs.
exists e1 p1 s1 x1 x2 x3.(a_topic(x1) & exists e2 x4.(Actor(e2,x4) & v_watch(e2) & n_child(x4)) & while(e1,p1) & along(e1,x3) & n_street(x3) & a_crowded(s1) & Theme(s1,x3) & Actor(e1,x2) & v_move(e1) & (x1 = x2) & n_people(x1))
exists p1 x1 x4 x7.(n_people(x7) & n_street(x4) & exists e1 s1 x2 x3.((x1 = x2) & exists x5.(n_location(x5) & all x6.((x6 = x7) -> exists e2 e3.(for(e1,e3) & Topic(e3,e2) & Actor(e3,x3) & v_wonder(e3) & loc_rel(e2,x5) & Actor(e2,x6) & v_go(e2)))) & down(e1,x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_person(x2) & a_single(s1) & Theme(s1,x2)))