| largely | 15 | degree |
| previously | 3 | degree |
| despite the economic importance | 3 | other |
| protein → be → unknown | 45 |
| protein → remain → unknown | 16 |
| protein → be → uncertain | 7 |
| protein → remain → unclear | 6 |
| protein → be → unclear | 4 |
| negative | neutral | positive |
| 0.240 | 0.708 | 0.052 |
| Raw frequency | 78 |
| Normalized frequency | 0.511 |
| Modifier score | 0.700 |
| Perplexity | 412.414 |