    Sentence: 1: ‘Pi¢sident-. Bush.’ signed’: a” ‘waiver  ‘exempting 22 nations from these sanctions because  -they, had: signed ‘but'not yet ratified-the immiunity  agreement’.   Sentence 2: President Bush sighed“ a : waiver    exempting 22 countries because they had sigried but.  ‘not yet ratified:immunity agreements -