| the faster | 12 | manner |
| easily | 9 | manner |
| sometimes | 8 | temporal |
| brain → get → tired | 111 |
| brain → become → tired | 16 |
| brain → grow → tired | 4 |
| negative | neutral | positive |
| 0.650 | 0.289 | 0.061 |
| Raw frequency | 131 |
| Normalized frequency | 0.605 |
| Modifier score | 0.400 |
| Perplexity | 159.917 |