source: [lemma=□] □
destination: [lemma=effect] □
spec: The collecting , organizing and indexing of sequence information into a database , a challenging task in itself , provides the scientist with a wealth of information , albeit of limited use . Congressional Budget Office estimates of the budgetary effects of the welfare law , issued in August 1996 , show the legislation reduced the food stamp program by more than $ 27 billion over six years , with food stamp reductions accounting for half of all savings in the welfare law .