Complex sentence: Black may challenge White's plan to control e5 immediately by playing From's Gambit (1... e5); however, the From's Gambit is notoriously double-edged and should only be played after significant study.
Split into simpler sentences: Black may challenge White's plan to control e5 immediately by playing From's Gambit (1... e5). However, the From's Gambit is notoriously double-edged and should only be played after significant study.