Black smoke may engulf vineyards.Logical formLearned from18 sentences. Black smoke may come from an area.Logical formLearned from18 sentences. A (smoke screen) may be aimed at attacking persons.Logical formLearned from18 sentences. Smoke may rise from fires.Logical formLearned from18 sentences. Levels can be constituted-of-or-filled-with secondhand smoke.Logical formLearned from18 sentences. Smoke may come into a carriage.Logical formLearned from18 sentences. Black smoke may fill air.Logical formLearned from18 sentences. Dark clouds can be constituted-of-or-filled-with smoke.Logical formLearned from17 sentences. A plume of smoke may be seen.Logical formLearned from17 sentences. Cover may pertain-to smoke.Logical formLearned from17 sentences. (Smoke rings) can be in a dark.Logical formLearned from17 sentences. A cover can be constituted-of-or-filled-with smoke.Logical formLearned from17 sentences. A (smoke screen) can be effective.Logical formLearned from17 sentences. Second-hand smoke may kill.Logical formLearned from17 sentences. Exposure can be to secondhand smoke.Logical formLearned from17 sentences.