A man is reading a newspaper on a subway.
The man was outside having a picnic.
A man is on a subway.  He did not go outside having a picnic. A man is reading a newspaper is on subway.
exists e1 x1 x2 x3.(on(e1,x3) & n_subway(x3) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_newspaper(x2) & n_man(x1))
exists e1 s1 x1 x2.(n_man(x1) & for(s1,e1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_picnic(x2) & Theme(s1,x1) & a_outside(s1))