A US-president may stay_off a (campaign trail).Logical formLearned from7 sentences. A (paper trail) can be for recounts.Logical formLearned from7 sentences. Authorities can be on a trail.Logical formLearned from7 sentences. A trail can be on a mountain.Logical formLearned from7 sentences. Experience can be on a (campaign trail).Logical formLearned from7 sentences. Trails can be challenging.Logical formLearned from7 sentences. A trail may help.Logical formLearned from7 sentences. A trail may go (stone cold).Logical formLearned from7 sentences. A trail can be to terrorists.Logical formLearned from7 sentences. A mile can be from a trail.Logical formLearned from7 sentences. Trails can be accessible.Logical formLearned from7 sentences. A trail can be constituted-of-or-filled-with facts.Logical formLearned from7 sentences. A trail can be heavy.Logical formLearned from7 sentences. A trail can be elevated.Logical formLearned from7 sentences. A trail can be for economic development.Logical formLearned from7 sentences.