In the context of the input sentence, determine the relationship between 'Arundhati Bhattacharya' and 'Chairperson'.
Options: manufacturer, product/material produced, chairperson, position held

As a result, most banks don't have any incentive once it's treated as an NPA to do anything about it," SBI Chairperson Arundhati Bhattacharya said.
position held