['he', 'treat', 'patient', 'EmptyParameter', 'EmptyParameter'] ['he', 'answer', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['he', 'stabilize', 'they', 'EmptyParameter', 'EmptyParameter'] ['they', 'expose', 'EmptyParameter', 'radiation', 'to']
['<PRP>', 'equip-13.4.2-1', "Synset('grammatical_category.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'reciprocate-112', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'other_cos-45.4', '<PRP>', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'reflexive_appearance-48.1.2', 'EmptyParameter', "Synset('medical_care.n.01')", 'to']
He could treat his patients, to which he answered that he could only stabilize them, since they were still being exposed to the radiation.
<PRP> could treat <PRP> patients, to which <PRP> answered that <PRP> could only stabilize them, since <PRP> were still being exposed to the Synset('medical_care.n.01').