['field', 'hold', 'it', 'EmptyParameter', 'EmptyParameter']
["Synset('percept.n.01')", 'exist-47.1', '<PRP>', 'EmptyParameter', 'EmptyParameter']
A containment field is holding it together.
a Synset('plan_of_action.n.01') Synset('percept.n.01') is holding <PRP> together.