People walk on a wet street with large hairstyles.
Nobody is walking.
Nobody implies the absence of humans while people indicates two or more humans.
exists e1 s1 s2 x1 x2 x3.(with(e1,x3) & n_hairstyle(x3) & a_large(s2) & Theme(s2,x3) & on(e1,x2) & n_street(x2) & a_wet(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
-exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_person(x1))