['Hayes', 'suggest', 'use', 'charge', 'EmptyParameter']
["Synset('hayes.n.02')", 'say-37.7', 'use-105.1', "Synset('duty.n.02')", 'EmptyParameter']
Hayes suggests using two spatial charges.
Synset('hayes.n.02') suggests using <NUMBER>0 Synset('spatial.a.01') Synset('duty.n.02').