| based on the present observations | 7 | other |
| as enter the plant cell | 6 | manner |
| previously | 4 | temporal |
| mechanism → be → proposed | 227 |
| mechanism → be → contemplated | 11 |
| mechanism → be proposed in → addition | 4 |
| negative | neutral | positive |
| 0.126 | 0.792 | 0.082 |
| Raw frequency | 242 |
| Normalized frequency | 0.765 |
| Modifier score | 0.392 |
| Perplexity | 25.359 |