(Transportation problems) may pertain-to a region.Logical formLearned from13 sentences. Persons can be (transportation company).Logical formLearned from13 sentences. Advancements can be in transportation.Logical formLearned from13 sentences. (Transportation options) can be for persons.Logical formLearned from13 sentences. Environmental impacts can be constituted-of-or-filled-with transportation.Logical formLearned from13 sentences. Difficulties can be in transportation.Logical formLearned from13 sentences. A female may have a transportation.Logical formLearned from13 sentences. A demand can be for (transportation fuels).Logical formLearned from13 sentences. A major mode can be constituted-of-or-filled-with transportation.Logical formLearned from13 sentences. A person can be without transportation.Logical formLearned from13 sentences. A country may have a (transportation system).Logical formLearned from13 sentences. A change can be in transportation.Logical formLearned from13 sentences. Easy access can be to (mass transportation).Logical formLearned from13 sentences. A (transportation sector) may undergo an electrification.Logical formLearned from13 sentences. A (transportation system) can be safe.Logical formLearned from13 sentences.