from the plant site | 6 | location |
from a storage container | 2 | location |
in 1957 | 2 | temporal |
plutonium → be → released | 15 |
plutonium → be released into → the atmosphere | 3 |
negative | neutral | positive |
0.451 | 0.518 | 0.030 |
Raw frequency | 18 |
Normalized frequency | 0.637 |
Modifier score | 0.450 |
Perplexity | 245.680 |