['race', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['race', 'destroy', 'they', 'EmptyParameter', 'EmptyParameter'] ['they', 'discover', 'EmptyParameter', 'alien', 'by']
["Synset('natural_process.n.01')", 'seem-109', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ["Synset('natural_process.n.01')", 'destroy-44', '<PRP>', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'discover-84', 'EmptyParameter', "Synset('entrant.n.03')", 'by']
Was Tpol's race that destroyed them, at which point they are discovered by the aliens searching to destroy them.
was Tpol's Synset('natural_process.n.01') that destroyed them, at which Synset('narrowing.n.01') <PRP> are discovered by the Synset('entrant.n.03') searching to destroy <PRP>.