Complex sentence: Dec 3,1989 ostensibly from an "ecoterrorist organization" calling itself "the Breeders", and reported that it was responsible for the Summer release of the Medflys as financial retaliation for the environmental damage caused by Malathion aerial spraying by the state.
Split into simpler sentences: Dec 3,1989 ostensibly from an "ecoterrorist organization" calling itself "The Breeders". The group claimed that it was responsible for the summer release of the medflys as retaliation for the environmental damage caused by the Malathion aerial spraying by the state.