['he', 'record', 'log', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'transcribe-25.4', "Synset('mathematical_notation.n.01')", 'EmptyParameter', 'EmptyParameter']
With a headset microphone on, he records his log.
with a Synset('earphone.n.01') Synset('transducer.n.01') on, <PRP> records <PRP> Synset('mathematical_notation.n.01').