Complex sentence: Chapultepec Castle was defended by Mexican troops under the command of Nicolás Bravo, including cadets from the military ac number of cadets present has been variously given, from 47 to a few hundred.
Split into simpler sentences: Chapultepec Castle was defended by Mexican troops under the command of Nicolás Bravo, including cadets from the military academy. The number of cadets present has been variously given, from 47 to a few hundred.