['they', 'keep', 'reserve', 'someone', 'for']
['<PRP>', 'keep-15.2', "Synset('net_income.n.01')", "Synset('person.n.01')", 'for']
They are keeping this reserve for someone else.
<PRP> are keeping this Synset('net_income.n.01') for Synset('person.n.01') else.