Although the babyboom generation will contribute heavily to the growth of the elderly population, increasing life expectancy and declining fertility rates are also responsible for the aging of the U.S. population.
A cause of the aging of the U.S. population is rising life expectancy.
Babyboomers make no contributions to the growing ranks of the elderly.
Two guys eat grass in a field.
a black dog walking home
Tudjman is no longer credible to anyone after corruption took place.
the man wearing  a plaid shirt used his laptop to connect to his microscope
The boys are listening to the coach.
Three people go skydiving.