Beethoven Burst
{'<entity_0>': '16 December 1999', '<entity_1>': 'gamma-ray burst', '<entity_2>': 'Beethoven Burst', '<entity_3>': 'GRB 991216'}
[['Beethoven Burst', 'instance of', 'gamma-ray burst'], ['Beethoven Burst', 'time of discovery or invention', '16 December 1999'], ['Beethoven Burst', 'alternative', 'GRB 991216'], ['Beethoven Burst', 'start time', '16 December 1999']]
<entity_3>, nicknamed the <entity_2> by Dr. Brad Schaefer of Yale University, was a <entity_1> observed on <entity_0>, coinciding with the 229th anniversary of Ludwig van Beethoven's birth.
['gamma-ray burst']