Older gentleman and woman sitting around debating topics.
the couple is married
Older gentleman and woman sitting around debating topics are not necessarily married couple.
exists e1 e2 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) & Theme(e1,x1) & v_marry(e1))