| by the addition of plasticizers | 12 | cause |
| very | 7 | degree |
| with high elongations | 3 | other |
| pvc → be → flexible | 28 |
| pvc → be made → more flexible | 10 |
| pvc → be made → flexible | 4 |
| pvc → be → flexible material | 3 |
| negative | neutral | positive |
| 0.066 | 0.529 | 0.405 |
| Raw frequency | 45 |
| Normalized frequency | 0.813 |
| Modifier score | 0.500 |
| Perplexity | 204.799 |