['he', 'become', 'aware', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'become-109.1-1-1', "Synset('mindful.a.01')", 'EmptyParameter', 'EmptyParameter']
He instantly becomes aware of an alien presence aboard.
<PRP> instantly becomes Synset('mindful.a.01') of an alien Synset('group_action.n.01') aboard.