A burden can be for a company.Logical formLearned from15 sentences. A burden can be on soldiers.Logical formLearned from15 sentences. Burden can be on shoulders.Logical formLearned from15 sentences. Persons may know a burden of sorrow.Logical formLearned from15 sentences. A burden can be unacceptable.Logical formLearned from15 sentences. A burden may pertain-to a US-city.Logical formLearned from15 sentences. Costs can be a burden.Logical formLearned from15 sentences. Sex can be with a burden.Logical formLearned from15 sentences. A burden can be undeserved.Logical formLearned from15 sentences. A day can be a burden.Logical formLearned from15 sentences. A burden may pertain-to a failure.Logical formLearned from15 sentences. A burden can be slight.Logical formLearned from15 sentences. An impact may pertain-to a burden.Logical formLearned from15 sentences. A burden can be on an economy.Logical formLearned from15 sentences. A burden can be economical.Logical formLearned from15 sentences.