Trails can be constituted-of-or-filled-with lengths.Logical formLearned from7 sentences. A range can be constituted-of-or-filled-with trails.Logical formLearned from7 sentences. A nature may pertain-to a trail.Logical formLearned from7 sentences. Improvements can be to a trail.Logical formLearned from7 sentences. Part may pertain-to a (hiking trail).Logical formLearned from7 sentences. Hellhound can be on a trail.Logical formLearned from7 sentences. A trail may be cleared.Logical formLearned from7 sentences. A sign may pertain-to a trail.Logical formLearned from7 sentences. (Trail rides) can be competitive.Logical formLearned from7 sentences. Trails may undergo an establishment.Logical formLearned from7 sentences. (Trail maps) can be detailed.Logical formLearned from7 sentences. (Paper trails) can be false.Logical formLearned from7 sentences. A trail can be to a park.Logical formLearned from7 sentences. A trail may be rated.Logical formLearned from7 sentences. Trails can be signed.Logical formLearned from7 sentences.