An older person in sunglasses crossing the sidewalk.
A person is waiting to cross the street while rubbing their eyes.
A person crossing the sidewalk cannot simultaneously be a person waiting to cross the street.
exists e1 s1 x1 x2 x3 x4.(n_sidewalk(x4) & a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_cross(e1) & (x2 = x3) & n_sunglass(x2) & n_person(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(n_eye(x3) & of(x3,x2) & n_thing(x2) & n_street(x2) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 e3.(while(e2,e3) & Theme(e3,x3) & Actor(e3,x1) & v_rub(e3) & Theme(e2,x2) & Actor(e2,x1) & v_cross(e2)) & n_person(x1))