A trail may pertain-to a writer.Logical formLearned from37 sentences. A terminus may pertain-to a trail.Logical formLearned from37 sentences. A trail of soot may lead off a runway.Logical formLearned from37 sentences. A person may slog on a (campaign trail).Logical formLearned from37 sentences. A trail can be rocky.Logical formLearned from37 sentences. A (paper trail) can be clear.Logical formLearned from37 sentences. Trails can be hidden.Logical formLearned from37 sentences. Trails can be wide.Logical formLearned from37 sentences. A trail can be constituted-of-or-filled-with terror.Logical formLearned from37 sentences. A trail can be a loop.Logical formLearned from36 sentences. An entrance can be to a trail.Logical formLearned from36 sentences. A person may see a trail.Logical formLearned from36 sentences. A trail can be challenging.Logical formLearned from36 sentences. A trail may be built.Logical formLearned from36 sentences. Persons may walk a trail.Logical formLearned from36 sentences.