Assertion: berkelium's life | /r/HasProperty | greater than 300 y.
Facets:
value: probably
type: DEGREE
Source sentences:
text: No alpha activity attributable to the new isomer has been detected; the alpha half-life is probably greater than 300 y."
text: No alpha activity attributable to the new isomer has been detected; the alpha half-life is probably greater than 300 y."