A man sitting outside of a building reading.
A man drinking a beer.
The first sentence implies the man is reading while the second states he is drinking a beer, but does not mention reading.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(e1,x3) & n_reading(x3) & of(x3,x4) & n_building(x4) & r_outside(e1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_drink(e1) & n_beer(x3) & (x1 = x2) & n_man(x1))