An older man and woman exercise on treadmills.
The older man and woman are sitting around watching television.
One either exercise on treadmills or are sitting around watching television.
exists s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & on(x2,x4) & n_treadmill(x4) & n_exercise(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1) & r_more(s2) & a_older(s2) & Theme(s2,x1))
exists e2 e1 s1 x1 x2 x3 x4.(n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & r_more(s1) & a_older(s1) & Theme(s1,x1) & around(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_watch(e2) & n_television(x4) & Actor(e1,x1) & v_sit(e1))