An old man with white long hair and a white long beard.
An elderly fellow.
Old is another word for elderly and fellow is another word for man or woman.
exists s1 s2 s3 s4 s5 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & subset_of(x4,x2) & n_beard(x4) & a_long(s5) & Theme(s5,x4) & a_white(s4) & Theme(s4,x4) & subset_of(x3,x2) & n_hair(x3) & a_long(s3) & Theme(s3,x3) & a_white(s2) & Theme(s2,x3) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists s1 x1.(a_topic(x1) & n_fellow(x1) & a_elderly(s1) & Theme(s1,x1))