source: [word=":" | word=□] □
destination: [word=":" | word=wives] □
spec: He and Dennis had made a pact to kill each other 's wives : Dennis wanted Rosa dead because he thought she was an adulterer and bad mother ; Stephen wanted to collect on life insurance he 'd taken out on Mary Ellen . `` She 's wise beyond her years ; aware of both the realities and joys of life .