People, some in uniform, milling about on a street.
The nurses, in uniform, are attending to their patients in the hospital
Milling about is different than attending.
exists e1 s1 x1 x2 x3 x4.(a_about(s1) & Manner(e1,s1) & on(e1,x4) & n_street(x4) & Actor(e1,x1) & v_mill(e1) & rel(x1,x2) & in(x2,x3) & n_uniform(x3) & n_thing(x2) & n_people(x1))
exists e1 x1 x2 x3 x4.(n_hospital(x3) & n_patient(x2) & of(x2,x1) & n_thing(x1) & n_nurse(x1) & in(e1,x4) & n_uniform(x4) & to(e1,x2) & in(x2,x3) & Actor(e1,x1) & v_attend(e1))