An elderly man reads a newspaper on a city sidewalk.
A person is reading outdoors.
An elderly man is a person, and sidewalk implies outdoors.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & on(x2,x3) & n_sidewalk(x3) & of(x3,x4) & n_city(x4) & n_newspaper(x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_outdoors(x2) & n_person(x1))