The iron rings in the marble floor of the chapel were used to restrain the mentally ill, who were once brought here hoping to be cured by the waters.
The mentally Ill who were brought to the chapel were not restrained.
mnli hypothesis: The mentally Ill who were brought to the chapel were not restrained. premise: The iron rings in the marble floor of the chapel were used to restrain the mentally ill, who were once brought here hoping to be cured by the waters.