| with memory | 3 | other |
| to send electrical impulses | 2 | purpose |
| pacemaker → contain → battery | 9 |
| pacemaker → consist of → battery | 8 |
| pacemaker → be → battery-operated device | 6 |
| pacemaker → have → battery | 4 |
| pacemaker → be powered by → battery | 3 |
| pacemaker → contain → powerful battery | 3 |
| pacemaker → use → battery | 3 |
| negative | neutral | positive |
| 0.061 | 0.819 | 0.121 |
| Raw frequency | 36 |
| Normalized frequency | 0.642 |
| Modifier score | 0.900 |
| Perplexity | 84.907 |