Original: Irish Taoiseach Albert Reynolds (who had replaced Haughey) and who had played a key role in the Hume/Adams dialogue through his Special Advisor Martin Mansergh, regarded the ceasefire as permanent.
Simplified: The new Irish Taoiseach (prime minister) Albert Reynolds had played a key role in the Hume/Adams talks through his Special Advisor Martin Mansergh, thought the ceasefire as permanent.