A sister can be alone.Logical formLearned from20 sentences. A person can be alone with a problem.Logical formLearned from19 sentences. Strings of a lute can be alone.Logical formLearned from19 sentences. A person may feel alone in the world.Logical formLearned from19 sentences. A male may be left alone.Logical formLearned from18 sentences. A way can be alone.Logical formLearned from18 sentences. A person can be alone for a weekend.Logical formLearned from18 sentences. A male may look alone.Logical formLearned from18 sentences. Persons may feel alone.Logical formLearned from18 sentences. A child can be alone.Logical formLearned from17 sentences. A female may remain alone.Logical formLearned from17 sentences. A possession can be alone.Logical formLearned from17 sentences. Members can be alone.Logical formLearned from17 sentences. A person may be left alone.Logical formLearned from17 sentences. A person may sit alone.Logical formLearned from17 sentences.