A group of older swimmers with goggles and red and blue dive caps on.
A group of elderly people in swimming gear.
Elderly people wearing dive caps are in a synchronized swimming class.
exists s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & of(x1,x2) & with(x2,x3) & subset_of(x5,x3) & Theme(s4,x7) & a_on(s4) & (x5 = x7) & n_cap(x5) & of(x5,x6) & n_dive(x6) & a_blue(s3) & Theme(s3,x5) & a_red(s2) & Theme(s2,x5) & subset_of(x4,x3) & n_goggles(x4) & n_swimmer(x2) & r_more(s1) & a_older(s1) & Theme(s1,x2) & n_group(x1))
exists s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & in(x2,x3) & n_gear(x3) & of(x3,x4) & n_swimming(x4) & n_people(x2) & a_elderly(s1) & Theme(s1,x2) & n_group(x1))