| usually | 3 | temporal |
| in theory | 2 | other |
| along with baggage | 2 | other |
| train → have → free wifi | 15 |
| train → have → free wi-fi | 7 |
| train → offer → free wifi | 6 |
| train → come with → free wifi | 3 |
| negative | neutral | positive |
| 0.070 | 0.279 | 0.652 |
| Raw frequency | 31 |
| Normalized frequency | 0.419 |
| Modifier score | 0.720 |
| Perplexity | 229.380 |