The Duke of Edinburgh and I are very happy that the Prince of Wales and Mrs. Parker Bowles are to marry.
They are both in their 20's
( z1 age :ARG1 ( z2 they :mod ( z3 both ) ) :ARG2 ( z4 between :op ( z5 temporal-quantity :quant 20 :unit ( z6 year ) ) :op ( z7 temporal-quantity :quant 20 :unit ( z8 year ) ) ) )