Original sentence: After a decade of research and speculation, Baigent, Leigh, and Lincoln came to the following conclusions:.It is generally presumed they knew these claims to be at best unprovable, or false.Medieval-history students have lost marks in essays and exams through accepting works such as Holy Blood, Holy Grail, or successors inspired by it, as sources
Edited sentence: After a decade of research and speculation, Baigent, Leigh, and Lincoln came to the following conclusions, most of which they knew to either be unprovable or false:.Many medieval-history students have lost marks in essays and exams through accepting works like Holy Blood, Holy Grail as viable sources