['form', 'appear', 'EmptyParameter', 'they', 'before']
["Synset('chemical_phenomenon.n.01')", 'appear-48.1.1', 'EmptyParameter', '<PRP>', 'before']
The enormous, black, foreboding form of a Borg cube appears before them.
the enormous, black, foreboding Synset('chemical_phenomenon.n.01') of a <PERSON>18 Synset('artifact.n.01') appears before <PRP>.