during the 1930s in germany | 6 | temporal |
ozone → be → studied | 7 |
ozone → be → the focus of considerable research | 3 |
negative | neutral | positive |
0.164 | 0.513 | 0.323 |
Raw frequency | 10 |
Normalized frequency | 0.257 |
Modifier score | 0.500 |
Perplexity | 233.514 |