Some trails can be constituted-of-or-filled-with smoke.Logical formLearned from7 sentences. A (campaign trail) can be in a (home city).Logical formLearned from7 sentences. A (tourist trail) may pertain-to a world-city.Logical formLearned from7 sentences. A country may tolerate a trail of terror.Logical formLearned from7 sentences. Some men may spend some months on a (campaign trail).Logical formLearned from7 sentences. A trail may pertain-to a shuttle.Logical formLearned from7 sentences. A US-city can be on a (comeback trail).Logical formLearned from7 sentences. A trail may undergo an expansion.Logical formLearned from7 sentences. Trails can be in a female.Logical formLearned from7 sentences. Warplanes may attack (guerrilla infiltration trails).Logical formLearned from7 sentences. A trail can be constituted-of-or-filled-with belongings.Logical formLearned from7 sentences. A jet may spout a trail of propellant.Logical formLearned from7 sentences. A trail can be constituted-of-or-filled-with propellant.Logical formLearned from7 sentences. A trail can be constituted-of-or-filled-with fuel.Logical formLearned from7 sentences. A trail can be vaporous.Logical formLearned from7 sentences.