Why must al-Māʿūn 107:4–5 be read as a connected semantic unit?

Supplementary Practice 21: Comparative Rhetorical Study of Sūrat Quraysh and al-Māʿūn

• Read verse 5 as a separate warning with no restriction of the previous group
• Read al-muṣallīn as every sincere worshipper without qualification
• Attach the relative clause only to the denier of verse 1 while ignoring verse 4
• The second verse qualifies the class addressed by the warning