['it', 'turn', 'EmptyParameter', 'nitrogen', 'into']
['<PRP>', 'roll-51.3.1', 'EmptyParameter', "Synset('substance.n.01')", 'into']
It turns into Human-breathable nitrogen and oxygen mixture.
<PRP> turns into human-breathable Synset('substance.n.01') and Synset('substance.n.01') Synset('matter.n.03').