Smoke may drift across the sky.Logical formLearned from17 sentences. A light may be followed by (smoke plumes).Logical formLearned from17 sentences. Smoke may undergo explosions.Logical formLearned from17 sentences. An amount of smoke can be catastrophic.Logical formLearned from17 sentences. A (smoke alarm) may go_off.Logical formLearned from17 sentences. A cone may spout plumes of smoke.Logical formLearned from17 sentences. White smoke may rise from some houses.Logical formLearned from17 sentences. Witnesses may see smoke.Logical formLearned from17 sentences. Black smoke may begin.Logical formLearned from17 sentences. Clouds of smoke may be seen.Logical formLearned from17 sentences. A pall of smoke may be seen.Logical formLearned from17 sentences. Smoke may cover an area.Logical formLearned from16 sentences. Areas can be constituted-of-or-filled-with smoke.Logical formLearned from16 sentences. (Smoke detectors) may be installed.Logical formLearned from16 sentences. An end may pertain-to smoke.Logical formLearned from16 sentences.