A woman walks down a brick sidewalk at night.
A prostitute patrols her beat at night.
Just because a woman walks at night it does not mean the woman is a prostitute
exists e1 s1 x1 x2 x3 x4.(at(e1,x4) & n_night(x4) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_sidewalk(x2) & of(x2,x3) & n_brick(x3) & n_woman(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_night(x3) & Theme(e1,x2) & Actor(e1,x1) & v_beat(e1) & (x1 = x2) & n_female(x1) & n_patrol(x1) & a_prostitute(s1) & Theme(s1,x1))