A woman and two older gentlemen who are both wearing hats.
The siblings are wearing hats.
Just because a woman and two older gentlemen are wearing hats doesn't mean they're siblings.
exists e1 s1 s2 s3 x1 x2 x3 x4.(a_topic(s1) & a_both(s3) & Manner(e1,s3) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_hat(x4) & (s1 = x3) & subset_of(x2,s1) & n_gentleman(x2) & r_more(s2) & a_older(s2) & Theme(s2,x2) & card_eq_2(x2) & subset_of(x1,s1) & n_woman(x1))
exists e1 x1 x2.(n_sibling(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_hat(x2))