An older man wearing a blue shirt is sitting.
A man is sitting at a table.
Just because the man is sitting doesn't mean it's at a table.
exists e1 e2 s1 s2 x1 x2 x3.(Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_blue(s2) & Theme(s2,x3) & (x1 = x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 x1 x2.(at(e1,x2) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))