Some ports may be hid behind (dust covers).Logical formLearned from11 sentences. An effect may pertain-to dust.Logical formLearned from11 sentences. A cloud can be constituted-of-or-filled-with (dust particles).Logical formLearned from11 sentences. (Dust mites) can be dead.Logical formLearned from11 sentences. Seconds may spurt of dust.Logical formLearned from11 sentences. Dust may pertain-to streets.Logical formLearned from11 sentences. (Dust storms) may destroy (farm land).Logical formLearned from11 sentences. Some (aviation artifacts) may collect dust.Logical formLearned from11 sentences. Dust may pertain-to a track.Logical formLearned from11 sentences. Tapes may gather dust.Logical formLearned from11 sentences. Dust may undergo drifts.Logical formLearned from11 sentences. (Dust bunnies) may pertain-to a person.Logical formLearned from11 sentences. Protection can be against dust.Logical formLearned from11 sentences. Dust may be blown off a continent.Logical formLearned from11 sentences. Dust can be outdoor.Logical formLearned from11 sentences.