A (tax burden) can be on (oil companies).Logical formLearned from9 sentences. Nations may share a burden.Logical formLearned from9 sentences. Companies may face a burden of building networks.Logical formLearned from9 sentences. Producers may share a burden.Logical formLearned from9 sentences. A bill may shift a burden of repaying bonds.Logical formLearned from9 sentences. A burden can be on an (internet site).Logical formLearned from9 sentences. A burden of proof can be heavy.Logical formLearned from9 sentences. A burden of proof may lie-flat with a prosecution.Logical formLearned from9 sentences. A burden may pertain-to a defense.Logical formLearned from9 sentences. A burden can be on a world-city.Logical formLearned from9 sentences. A burden can be for a russian government.Logical formLearned from9 sentences. A burden can be on (tax payers).Logical formLearned from9 sentences. A (debt burden) may come on_top_of economic problems.Logical formLearned from9 sentences. A burden can be for exporters.Logical formLearned from9 sentences. A male may want a burden.Logical formLearned from9 sentences.