| like the body | 18 | other |
| to keep it | 16 | purpose |
| in the same way | 12 | manner |
| brain → need → exercise | 72 |
| brain → require → exercise | 16 |
| brain → need → mental exercise | 4 |
| brain → do → exercise | 4 |
| negative | neutral | positive |
| 0.099 | 0.613 | 0.288 |
| Raw frequency | 96 |
| Normalized frequency | 0.556 |
| Modifier score | 0.500 |
| Perplexity | 266.402 |