| to come up with viable alternatives | 8 | purpose |
| to pursue nonlinear research | 4 | purpose |
| to interpret measured data | 4 | purpose |
| scientist → need → time | 24 |
| scientist → need → more time | 7 |
| negative | neutral | positive |
| 0.130 | 0.640 | 0.230 |
| Raw frequency | 31 |
| Normalized frequency | 0.412 |
| Modifier score | 0.700 |
| Perplexity | 342.146 |