Which two grammatical readings of mā in wa-mā banāhā are recognized?

Supplementary Practice 27 — Comparative Rhetoric of Sūrat al-Shams and Sūrat al-Layl

• Relative mā and maṣdariyyah mā
• Negative mā and prohibitive mā
• Only interrogative and exclamatory mā
• Necessarily redundant mā and conditional mā