Which would be an appropriate tuning of a sanctions screening tool?

Limit the customer address and/or name data being screened to reduce the generation of false positives.

Tune the screening tool to generate matches to variations of spellings of sanctions targets and sanctioned jurisdictions.

Tune the screening tool to only generate matches to exact known spellings of sanctions targets and sanctioned jurisdictions.

Limit the spelling variations of sanctioned target and jurisdiction names being screened against to reduce the generation of false positives.