['he', 'untie', 'bond', 'ankle', 'at']
['<PRP>', 'disassemble-23.3', "Synset('bond.n.08')", "Synset('synovial_joint.n.01')", 'at']
Using his hands, he unties the bonds at his ankles.
using <PRP> hands, <PRP> unties the Synset('bond.n.08') at <PRP> Synset('synovial_joint.n.01').