A man crossing the street.
A man bowling across a street.
Bowling and crossing is not the same.
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_cross(e1) & (x1 = x2) & n_man(x1))
exists x1 x2 x3.(a_topic(x1) & across(x1,x3) & n_street(x3) & n_bowling(x1) & of(x1,x2) & n_man(x2))