Sentence 1: He said the attackers left behind leaflets urging staff at the Ishtar Sheraton to stop working at the hotel and demanding U.S. forces leave Iraq.

Sentence 2: He said the attackers left behind leaflets urging workers at the Ishtar Sheraton to stop working at the hotel.

From 0 to 5 (0="no meaning overlap" and 5="means the same thing"), how similar are the two sentences?
3