| contaminate sergei skri… | 0.53 |
| poison the skripals | 0.47 |
| belong to the group of … | 0.46 |
| sicken rowley | 0.34 |
| poison yulia skripal | 0.30 |
| strike down former russ… | 0.30 |
| leave former spy sergei… | 0.25 |
| attack nervous system | 0.21 |
| kill woman | 0.16 |
| sicken sturgess | 0.16 |
| the most toxic | 0.65 |
| more potent than organo… | 0.46 |
| soluble | 0.43 |
| colorless | 0.38 |
| unstable | 0.34 |
| deadly | 0.32 |
| tasteless | 0.27 |
| more potent | 0.16 |
| used in the attack | 0.60 |
| used against skripal | 0.55 |
| developed by the soviet… | 0.54 |
| used in salisbury | 0.49 |
| produced in russia | 0.44 |
| absorbed through the sk… | 0.41 |
| made | 0.41 |
| used to poison sergei | 0.37 |
| delivered in liquid form | 0.36 |
| used in chemical warfare | 0.34 |
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