['crew', 'find', 'debris', 'EmptyParameter', 'EmptyParameter']
["Synset('unit.n.03')", 'get-13.5.1', "Synset('waste.n.01')", 'EmptyParameter', 'EmptyParameter']
Upon arrival, the crew finds only formless debris.
upon arrival, the Synset('unit.n.03') finds only formless Synset('waste.n.01').