Complex sentence: Sukumaran and the other seven prisoners refused to be blindfolded and sang "Amazing Grace" and "Bless The Lord O My Soul" before being shot by a 12-member firing squad.
Split into simpler sentences: Sukumaran and the other seven prisoners refused to be blindfolded. They sang "Amazing Grace" and "Bless The Lord O My Soul" before being shot by a 12-member firing squad.