An objector shows that the new case lacks the operative feature of the original. Which objection is this?

Diagnosing Errors in Usuli Reasoning — Integrated Case Workshops

• Naqd because a countercase has the cause but lacks the ruling
• Mu-aradah because an independent countercause has been advanced
• Qalb because the same cause is turned toward the opposite conclusion
• Farq: a material difference separates asl and far