['wreckage', 'appear', 'spacecraft', 'EmptyParameter', 'EmptyParameter']
["Synset('object.n.01')", 'seem-109-1-1-1', "Synset('vehicle.n.01')", 'EmptyParameter', 'EmptyParameter']
The wreckage appears to have been a spacecraft of some sort.
the Synset('object.n.01') appears to have been a Synset('vehicle.n.01') of some Synset('concept.n.01').