    Sentence 1: Israel 's defense minister   on Sunday raised the he specter o ot an  feraell' Invasion in the rip.  where Palestinian nilitante, aveay,  face a deadly air campaign .    Sentence 2: Shaul Mofaz , Israel ‘s  Defence Minister , raised the spect  of:a ground offensive into the  Strip . in addition to a growing air  campaign to assassinate Hamas  militants .