| between 1954 | 2 | temporal |
| in australia | 2 | location |
| with approximately 400 staff | 2 | other |
| office → be located in → perth | 50 |
| office → be based in → perth | 11 |
| office → be situated in → perth | 5 |
| office → be in → perth | 4 |
| office → be established in → perth | 3 |
| negative | neutral | positive |
| 0.017 | 0.769 | 0.214 |
| Raw frequency | 73 |
| Normalized frequency | 0.457 |
| Modifier score | 0.500 |
| Perplexity | 178.387 |