['she', 'know', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
She knows if Tucker and Tpol are in danger.
<PRP> knows if <PERSON>3 and <PERSON>10 are in Synset('undertaking.n.01').