a group of people dressed up formally-semi formally
does the picture match the caption
yes
is it colored
the photograph is indeed colored
are people visible
yes, there are quite a few people visible
are there men and women
yes both genders are in the photo
what are they wearing
it appears they are mostly dressed semi formally, dresses, suits, slacks, church wear
are there tables and chairs for sitting
yes there are some chairs
are they inside of a hall