['captain', 'leave', 'decision', 'EmptyParameter', 'EmptyParameter'] ['what', 'do', 'EmptyParameter', 'he', 'to']
["Synset('employee.n.01')", 'become-109.1-1-1', "Synset('action.n.01')", 'EmptyParameter', 'EmptyParameter'] ['what', 'act-114', 'EmptyParameter', '<PRP>', 'to']
The captain left the decision of what to do with him up to him.
the Synset('employee.n.01') left the Synset('action.n.01') of what to do with <PRP> up to <PRP>.