| from the led towards the photocell | 11 | location |
| continuously | 4 | temporal |
| sequentially | 2 | manner |
| beam → be → emitted | 28 |
| beam → be emitted by → the beam transmitters | 8 |
| beam → be emitted by → the source | 3 |
| negative | neutral | positive |
| 0.084 | 0.828 | 0.087 |
| Raw frequency | 39 |
| Normalized frequency | 0.629 |
| Modifier score | 0.500 |
| Perplexity | 432.793 |