Zhège huàtí de zhēngyìxìng hěn qiáng, shuāngfāng gèzhí-yīcí.
This topic is highly controversial, with both sides holding firmly to their positions.
Tips
grammar
争议性 is formed by adding the nominalizing suffix 性 (-xìng, nature/quality) to 争议 (controversy). This is a productive pattern in modern Chinese: 可能性 (possibility), 必要性 (necessity), 危险性 (dangerousness).
