['human', 'develop', 'cure', 'EmptyParameter', 'EmptyParameter']
["Synset('primate.n.02')", 'appear-48.1.1', "Synset('drug.n.01')", 'EmptyParameter', 'EmptyParameter']
Humans may have developed a cure for the virus.
Synset('primate.n.02') may have developed a Synset('drug.n.01') for the Synset('program.n.07').