Original sentence: <ref name="bazant07"> Northwestern University Professor of Civil Engineering Zdeněk Bažant, who was among the first to offer a published peer reviewed hypothesis of the collapses, mentions the controlled demolition hypothesis in passing in a 2007 paper, co-authored with Mathieu Verdure.According to the hypothesis, the World Trade Center was not destroyed by the planes that crashed into it as part of the September 11th attacks, nor by the fires that followed, but by explosives or other devices planted in the buildings in advance.In making their case, they often emphasize the collapse of 7 World Trade Center, which did not have a plane flown into it.The controlled demolition hypothesis has been dismissed in the structural engineering literature.The controlled demolition hypothesis is a 9/11 conspiracy theory.The controlled demolition hypothesis is an argument for insider complicity in the September 11 attacks, a  9/11 conspiracy theory
Edited sentence: According to the hypothesis, the collapse was not a result of the planes that crashed into it during the September 11th attacks, nor by the fires that followed, but by explosives or other devices planted in the buildings in advance.In making their case, they often emphasize the following facts:.Photographic evidence also shows that at least one support column was severed in a way inconsistent with stress failure.Photographic evidence shows metal at temperatures higher than jet fuel and office supplies can burn being pulled from the pile of rubble.Professor Bažant, who was among the first to offer a published peer reviewed hypothesis of the collapses, mentions the controlled demolition hypothesis in passing in a 2007 paper, co-authored with Mathieu Verdure.The collapse of 7 World Trade Center which did not have a plane flown into it is not addressed in the explanations of the the collapse of the other buildings.The controlled demolition hypothesis contradicts official explanations of the collapse of the World Trade Center buildings.The controlled demolition hypothesis has been dismissed in the analysis of the collapse provided by  Northwestern University Professor of Civil Engineering Zdeněk Bažant<ref name="bazant07">.The controlled demolition hypothesis is an argument for insider complicity in the September 11 attacks