A leader can be effective.Logical formLearned from1 915 sentences. Practices can be effective.Logical formLearned from1 695 sentences. Persons can be effective.Logical formLearned from1 655 sentences. Participation can be effective.Logical formLearned from1 648 sentences. Policies can be effective.Logical formLearned from1 604 sentences. A role can be effective.Logical formLearned from1 580 sentences. A person can be effective.Logical formLearned from1 569 sentences. Cooperation can be effective.Logical formLearned from1 503 sentences. Leaders can be effective.Logical formLearned from1 481 sentences. Interventions can be effective.Logical formLearned from1 445 sentences. An enforcement can be effective.Logical formLearned from1 426 sentences. A vaccine can be effective.Logical formLearned from1 419 sentences. A competition can be effective.Logical formLearned from1 407 sentences. An operation can be effective.Logical formLearned from1 289 sentences. Approaches can be effective.Logical formLearned from1 281 sentences.