Complex sentence: Recent research suggests Ustad Ahmad Lahauri was the most likely candidates as the chief architect of the Taj, an assertion based on a claim made in writings by Lahauri's son Lutfullah Muhandis.
Split into simpler sentences: Recent research suggests Ustad Ahmad Lahauri was the most likely candidates as the chief architect of the Taj. The assertion is based on a claim made in writings by Lahauri's son Lutfullah Muhandis.