Failures can be proven.Logical formLearned from23 sentences. A failure may pertain-to persons.Logical formLearned from23 sentences. A failure can be by authorities.Logical formLearned from23 sentences. An outcome can be a failure.Logical formLearned from23 sentences. A concern can be a failure.Logical formLearned from23 sentences. Potential can be for failure.Logical formLearned from23 sentences. A failure may be announced.Logical formLearned from23 sentences. A failure may undergo a critique.Logical formLearned from23 sentences. Failures can be stunning.Logical formLearned from23 sentences. A drug may undergo a failure.Logical formLearned from23 sentences. Failures may pertain-to predecessors.Logical formLearned from23 sentences. A failure may pertain-to a (state government).Logical formLearned from23 sentences. Talks may be doomed to failure.Logical formLearned from23 sentences. A male may say of a failure.Logical formLearned from23 sentences. A female may suffer (heart failure).Logical formLearned from23 sentences.