A (recordkeeping audit trail) can be verifiable.Logical formLearned from9 sentences. A (trail system) can be urban.Logical formLearned from9 sentences. A trail can be a trail.Logical formLearned from9 sentences. A trail can be abandoned.Logical formLearned from9 sentences. A trail can be constituted-of-or-filled-with spit.Logical formLearned from9 sentences. A (paper trail) can be voluminous.Logical formLearned from9 sentences. A trail may be created.Logical formLearned from9 sentences. A trail may be widened.Logical formLearned from9 sentences. Persons may stay on a trail.Logical formLearned from9 sentences. A trail may pertain-to a man.Logical formLearned from9 sentences. Trails can be off-street.Logical formLearned from9 sentences. A trail can be faint.Logical formLearned from9 sentences. Trails can be slimy.Logical formLearned from9 sentences. Persons may go on a (trail ride).Logical formLearned from9 sentences. A trail can be exposed.Logical formLearned from9 sentences.