Sentence 1: Complicating the situation is the presence of battle-hardened Liberians who have been fighting on both sides.

Sentence 2: Fighting has continued sporadically in the west, where it is complicated by the presence of battle-hardened Liberians on both sides.

From 0 to 5 (0="no meaning overlap" and 5="means the same thing"), how similar are the two sentences?
4