Which inference from afwājan would be unsound?

Supplementary Practice 22: Comparative Rhetorical Study of Sūrat al-Kāfirūn and al-Naṣr

• Deriving an exact numerical count solely from plural indefiniteness
• Analyzing it as an accusative circumstantial expression
• Recognizing a picture of group-wise entry
• Relating it to the action of entering