['wreckage', 'remain', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('object.n.01')", 'exist-47.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
The wreckage of the alien probe remains.
the Synset('object.n.01') of the alien Synset('investigation.n.02') remains.