Which is the source’s explicit case of an omitted lā-noun?

Ism Inna and the Noun Governed by Lā of Generic Negation

• لَا عَلَيْكَ
• إِنَّ زَيْدًا قَائِمٌ
• لَا رَجُلَ فِي الدَّارِ
• لَا غُلَامَ رَجُلٍ