['cause', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('beginning.n.01')", 'representation-110.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
There is apparently no known cause of Kim's sickness.
there is apparently no Synset('known.a.01') Synset('beginning.n.01') of Kim's Synset('pathological_state.n.01').