Some percent can be constituted-of-or-filled-with pollution.Logical formLearned from33 sentences. Pollution can be large-scale.Logical formLearned from32 sentences. Caps can be on pollution.Logical formLearned from32 sentences. (Air pollution problems) can be serious.Logical formLearned from32 sentences. Lakes may undergo pollution.Logical formLearned from32 sentences. Some cities may report (air pollution).Logical formLearned from31 sentences. Causes can be constituted-of-or-filled-with pollution.Logical formLearned from31 sentences. (Air pollution) can be from ships.Logical formLearned from31 sentences. (Water supplies) may undergo pollution.Logical formLearned from31 sentences. A lawsuit can be over pollution.Logical formLearned from31 sentences. (Pollution controls) can be stringent.Logical formLearned from31 sentences. Victims can be constituted-of-or-filled-with pollution.Logical formLearned from31 sentences. Pollution may undergo a flow.Logical formLearned from31 sentences. Pollution can be serious.Logical formLearned from31 sentences. Pollution can be asian.Logical formLearned from31 sentences.