['they', 'find', 'sign', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'declare-29.4', "Synset('information.n.02')", 'EmptyParameter', 'EmptyParameter']
They didn't find any signs of dark matter lifeforms or another ship.
<PRP> didn't find any Synset('information.n.02') of Synset('dark.a.02') Synset('cognition.n.01') lifeform or another Synset('craft.n.02').