| open fire | 0.84 |
| begin their carnivorous… | 0.16 |
| mimic automatic gunfire | 0.16 |
| increase the lethality … | 0.16 |
| captured | 0.46 |
| assumed to be a machine… | 0.42 |
| used in world war i | 0.25 |
| restricted | 0.25 |
| sited | 0.25 |
| regulated under federal… | 0.16 |
| designed to skirt the l… | 0.16 |
| manufactured after 1986 | 0.16 |