C:\Steve\Dev\PerlMonks\P-2013-10-06@2342-Hash-Of-Hashes>FruitColor1b.pl
strawberry red green rose
  red
    Added hash{red}{strawberry}
  green
    Added hash{green}{strawberry}
  rose
    Added hash{rose}{strawberry}
apple red rose
  red
    Added hash{red}{apple}
  rose
    Added hash{rose}{apple}
mango green
  green
    Added hash{green}{mango}

-----[ Results ]---------------
key = 'rose'   subkey = 'strawberry'
key = 'rose'   subkey = 'apple'
key = 'green'   subkey = 'mango'
key = 'green'   subkey = 'strawberry'
key = 'red'   subkey = 'strawberry'
key = 'red'   subkey = 'apple'