Trails can be ionized.Logical formLearned from18 sentences. Persons may use a trail.Logical formLearned from18 sentences. A person can be off a trail.Logical formLearned from18 sentences. A trail can be well-known.Logical formLearned from18 sentences. Some hours can be on a trail.Logical formLearned from18 sentences. Persons may go on a trail.Logical formLearned from18 sentences. Hiking can be on trails.Logical formLearned from18 sentences. Trails can be dark.Logical formLearned from18 sentences. A trail can be paved.Logical formLearned from18 sentences. A (paper audit trail) may be used.Logical formLearned from18 sentences. Persons may reach an end of a trail.Logical formLearned from18 sentences. A trail may lead a male.Logical formLearned from18 sentences. Some feet can be constituted-of-or-filled-with trails.Logical formLearned from18 sentences. Trails can be gentle.Logical formLearned from18 sentences. A trail can be mysterious.Logical formLearned from18 sentences.