A (tax burden) may pertain-to a family.Logical formLearned from21 sentences. A burden can be secret.Logical formLearned from21 sentences. A burden can be invisible.Logical formLearned from21 sentences. A burden can be on a right.Logical formLearned from21 sentences. A (tb burden) can be global.Logical formLearned from21 sentences. A (tax burden) can be effective.Logical formLearned from21 sentences. A burden can be in a country.Logical formLearned from21 sentences. Persons may reduce a (tax burden).Logical formLearned from21 sentences. Women may bear a burden.Logical formLearned from21 sentences. A burden can be on parents.Logical formLearned from21 sentences. A person may bear burdens.Logical formLearned from21 sentences. A party can be with a burden of proof.Logical formLearned from21 sentences. A (burden sharing) can be equitable.Logical formLearned from21 sentences. Concern can be about a burden.Logical formLearned from21 sentences. A burden may pertain-to a world-city.Logical formLearned from20 sentences.