(Bond markets) may be closed.Logical formLearned from51 sentences. (Bond insurers) can be troubled.Logical formLearned from51 sentences. A record may pertain-to bonds.Logical formLearned from51 sentences. A bond can be solid.Logical formLearned from51 sentences. A name may pertain-to bonds.Logical formLearned from51 sentences. An index can be constituted-of-or-filled-with bonds.Logical formLearned from51 sentences. Tandem can be with bonds.Logical formLearned from51 sentences. Bonds may fall on concern.Logical formLearned from51 sentences. Bonds may post losses.Logical formLearned from51 sentences. Yields can be on (revenue bonds).Logical formLearned from51 sentences. Good news can be for a (bond market).Logical formLearned from51 sentences. (Revenue bonds) can be tax-exempt.Logical formLearned from50 sentences. A contract may pertain-to bonds.Logical formLearned from50 sentences. A rating can be on bonds.Logical formLearned from50 sentences. A bond can be constituted-of-or-filled-with unity.Logical formLearned from50 sentences.