| for their emissions | 5 | purpose |
| very | 2 | degree |
| to intaking oxygen | 2 | purpose |
| plant → be → limited | 13 |
| plant → be → limit | 6 |
| plant → have → limit | 4 |
| negative | neutral | positive |
| 0.361 | 0.467 | 0.172 |
| Raw frequency | 23 |
| Normalized frequency | 0.337 |
| Modifier score | 0.700 |
| Perplexity | 430.166 |