['they', 'detect', 'sign', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'see-30.1', "Synset('location.n.01')", 'EmptyParameter', 'EmptyParameter']
However, they also detect some humanoid life signs which are similar to those of Ledosians, but aren't Ledosian.
However, <PRP> also detect some humanoid Synset('record.n.01') Synset('location.n.01') which are Synset('like.a.01') to those of Ledosians, but aren't <MISC>0.