Abhijit Banerjee and Esther Duflo of the Massachusetts Institute of Technology cite the example of poor Indians, who often say it is hard to resist buying sugary tea, a costly treat that brightens up dark days but is not nutritious.
Utilize the input text as a context reference, choose the right relationship between 'Esther Duflo' and 'Massachusetts Institute of Technology' from the options.
Options: employer, location of formation, industry, distributed by