| during routine government monitoring | 3 | temporal |
| from lettuce and irrigation water | 2 | location |
| e. coli → be → detected | 10 |
| e. coli → be → reported | 5 |
| e. coli → be → identified | 3 |
| e. coli → be found in → sample | 3 |
| e. coli → be → observed | 3 |
| negative | neutral | positive |
| 0.242 | 0.658 | 0.101 |
| Raw frequency | 24 |
| Normalized frequency | 0.679 |
| Modifier score | 0.271 |
| Perplexity | 59.782 |