Obligations can be under a bond.Logical formLearned from12 sentences. (Interest bonds) can be regular.Logical formLearned from12 sentences. Bonds may undergo a delivery.Logical formLearned from12 sentences. Issuers may pertain-to bonds.Logical formLearned from12 sentences. Bonds can be environmental.Logical formLearned from12 sentences. A downgrade may pertain-to a (bond rating).Logical formLearned from12 sentences. Bonds can be between some nations.Logical formLearned from12 sentences. An index can be constituted-of-or-filled-with corporate bonds.Logical formLearned from12 sentences. A male may post a bond.Logical formLearned from12 sentences. Bonds can be mature.Logical formLearned from12 sentences. A (bond market) may stage a rally.Logical formLearned from12 sentences. Bonds can be assets.Logical formLearned from12 sentences. A (bond issue) may be approved.Logical formLearned from12 sentences. An owner may pertain-to a bond.Logical formLearned from12 sentences. A bond can be white.Logical formLearned from12 sentences.