A trail can be from a (parking lot).Logical formLearned from6 sentences. A trail can be at a point.Logical formLearned from6 sentences. A trail can be through grass.Logical formLearned from6 sentences. (Audit trails) may be maintained.Logical formLearned from6 sentences. A (hike and bike trail) may pertain-to a lake.Logical formLearned from6 sentences. A (trail connection) can be regional.Logical formLearned from6 sentences. A grade may pertain-to a trail.Logical formLearned from6 sentences. Machines may lack a (paper trail).Logical formLearned from6 sentences. An (audit trail) may pertain-to persons.Logical formLearned from6 sentences. A (hiking trail) may run.Logical formLearned from6 sentences. A user may build a trail.Logical formLearned from6 sentences. A (dirt trail) can be wide.Logical formLearned from6 sentences. Trails may undergo a management.Logical formLearned from6 sentences. Trails can be dense.Logical formLearned from6 sentences. Trails can be in a winter.Logical formLearned from6 sentences.