Assertion: collapse's feature | /r/HasProperty | explosion
Facets:
Source sentences:
text: My model explains all the observed features on 11th September: the explosions, molten metal coming out of the window, the time passing between the crash and the collapse, the fact that the explosions took place in a floor below the place it was burning, and the rapid collapse," Christen Simensen of SINTEF, a research organization in Norway, told Life's Little Mysteries.