['she', 'discover', 'piece', 'it', 'on']
['<PRP>', 'discover-84', "Synset('time_period.n.01')", '<PRP>', 'on']
She discovers a piece of cloth with blood on it.
<PRP> discovers a Synset('time_period.n.01') of Synset('whole.n.02') with Synset('group.n.01') on <PRP>.