A group of young Asians are walking across pavement.
Nobody is walking.
The group is either walking or they are not.
exists e1 s1 x1 x2 x3.(ne_nam_asians(x2) & a_young(s1) & Theme(s1,x2) & across(e1,x3) & n_pavement(x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_group(x1))
-exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_person(x1))