['arm', 'sever', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('covering.n.02')", 'separate-23.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
His right arm has been severed.
<PRP> Synset('right.a.07') Synset('covering.n.02') has been severed.