['they', 'find', 'sign', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'declare-29.4', "Synset('artifact.n.01')", 'EmptyParameter', 'EmptyParameter']
They have found several hundred Talaxian life signs 49 light years away.
<PRP> have found several hundred <ORGANIZATION>2 Synset('record.n.01') Synset('artifact.n.01') <NUMBER>0 Synset('light.a.06') Synset('fundamental_quantity.n.01') away.