Project Eldest Son
{'<entity_0>': 'Project Eldest Son', '<entity_1>': 'Vietnam War'}
[['Project Eldest Son', 'part of', 'Vietnam War']]
<entity_0> (also known as “Italian Green” or “Pole Bean”) was a program of covert operations conducted by the United States' Studies and Observation Group (SOG) during the <entity_1>.
['covert operation']