Which pair correctly illustrates an imperative ism fiʿl and a maṣdar substituting for a command?

Inshāʾ: Requestive and Non-requestive Forms, Imperative Constructions and Rhetorical Functions

• “لِيُنْفِقْ” and “خُذْ”
• “حَيَّ” and “سَعْيًا”
• “مَنْ” and “هَلْ”
• “إِنَّ” and “كَانَ”