Which response best addresses “Is it the judge’s or his secretary’s?” when proof is absent?

Supplementary Practice 13: Attribution, Quotation and Evidential Restraint in Rhetorical Analysis

• Laʿallahā li-l-qāḍī — it may belong to the judge
• Innamā hiya li-l-qāḍī — it belongs only to the judge
• Hiya li-l-kātib — it is the secretary’s
• Lam tathbut nisbatuhā baʿdu — attribution remains unproved