Men playing a sport during a sunny day.
The men are playing a sport while the sun is shining.
The sun is shining because it is a sunny day.
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 p1 x1 x2 x3.(n_sun(x3) & n_man(x1) & exists e2.(Actor(e2,x3) & v_shine(e2)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_sport(x2))