Men playing a sport during a sunny day.
Some guy are playing football on a sunny day.
Not all sports played on a sunny day is football
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & during(e1,x4) & n_day(x4) & a_sunny(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_sport(x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_day(x3) & a_sunny(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_football(x2) & n_guy(x1))