A last name can be common.Logical formLearned from28 sentences. Acne can be common.Logical formLearned from28 sentences. A common stock may begin.Logical formLearned from28 sentences. Infections can be common.Logical formLearned from28 sentences. An error can be common.Logical formLearned from28 sentences. Cysts can be common.Logical formLearned from28 sentences. A class can be constituted-of-or-filled-with common stock.Logical formLearned from28 sentences. Mixed marriages can be common.Logical formLearned from28 sentences. Boats can be common.Logical formLearned from28 sentences. Efforts can be common.Logical formLearned from28 sentences. Constipation can be common.Logical formLearned from28 sentences. Persons may share a common ancestor.Logical formLearned from28 sentences. A common currency may be used by some nations.Logical formLearned from28 sentences. Taxes can be common.Logical formLearned from28 sentences. Scams can be common.Logical formLearned from28 sentences.