Spectators sit by the sidewalk as a man riding a white horse comes by.
Spectators are riding a white hourse
The spectators cannot be riding a white horse while sitting by the sidewalk
exists e1 p1 x1 x2.(n_sidewalk(x2) & exists e3 e2 s1 s2 x3 x4 x5.(a_by(s2) & Manner(e3,s2) & Actor(e3,x3) & v_come(e3) & Theme(e2,x5) & Actor(e2,x4) & v_ride(e2) & n_horse(x5) & a_white(s1) & Theme(s1,x5) & (x3 = x4) & n_man(x3)) & as(e1,p1) & by(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_spectator(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_hourse(x2) & a_white(s1) & Theme(s1,x2) & n_spectator(x1))