Older gentleman and woman sitting around debating topics.
The couple is talking
Because we know they are debating, we know they are talking
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x3,s1) & around(e1,e2) & Theme(e2,x5) & Actor(e2,x4) & v_debate(e2) & n_topic(x5) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_woman(x3) & subset_of(x1,s1) & n_gentleman(x1) & (x1 = x2) & ne_nam_older(x2))
exists e1 x1.(n_couple(x1) & Actor(e1,x1) & v_talk(e1))