An older man and woman exercise on treadmills.
The older man and woman are sweating profusely.
Exercising doesn't always cause you to be sweating profusely.
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 e1 s1 s2 x1 x2 x3.(n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & r_more(s1) & a_older(s1) & Theme(s1,x1) & a_profusely(s2) & Manner(e1,s2) & Actor(e1,x1) & v_sweat(e1))