['warhead', 'begin', 'rotate', 'frequency', 'EmptyParameter']
["Synset('chemical.n.01')", 'begin-55.1', 'roll-51.3.1', "Synset('number.n.02')", 'EmptyParameter']
The warhead begins rotating its activation frequency.
the Synset('chemical.n.01') begins rotating <PRP> Synset('act.n.02') Synset('number.n.02').