['it', 'integrate', 'EmptyParameter', 'system', 'into']
['<PRP>', 'amalgamate-22.2-2', 'EmptyParameter', "Synset('body.n.01')", 'into']
It had been integrated into the creature's circulatory and nervous system.
<PRP> had been integrated into the creature's Synset('circulatory.a.02') and Synset('nervous.a.03') Synset('body.n.01').