Complex sentence: Biko was never a member of the African National Congress (ANC), but the ANC considered him an anti-apartheid hero and used his image in campaign posters in South Africa's first non-racial elections in 1994.
Split into simpler sentences: Biko was never a member of the African National Congress (ANC). But the ANC considered him an anti-apartheid hero and used his image in campaign posters in South Africa's first non-racial elections in 1994.