| ammonia → be made from → hydrogen | 8 |
| ammonia → be composed of → hydrogen | 4 |
| ammonia → be made of → hydrogen | 3 |
| ammonia → consist of → hydrogen | 3 |
| negative | neutral | positive |
| 0.155 | 0.779 | 0.066 |
| Raw frequency | 18 |
| Normalized frequency | 0.402 |
| Modifier score | 0.500 |
| Perplexity | 28.673 |