Complex sentence: After her kidnapping, Colleen states that she was tortured and kept locked in a box 23 hours a day until in January, 1978, she was given a contract and forced to sign herself into slavery for life.
Split into simpler sentences: After her kidnapping, Colleen was tortured and kept locked in a box 23 hours a day. In January, 1978, Colleen was given a contract and forced to sign herself into slavery for life.