Which statement correctly explains the aspect “Tamannī contrasted with tarajjī” in the example “لَعَلَّ الْغَائِبَ يَعُودُ”?

Inshāʾ and Tamannī: Requests, Wishing, Exhortation, and Reproach

• Hallā and alā — Why not? / Come, do it.
• Transition to interrogation — Questioning in order to ascertain a meaning.
• Tamannī contrasted with tarajjī — Perhaps the absent person will return.
• The five requesting forms — Wishing, questioning, command, prohibition and calling.