An efficacy can be chemical.Logical formLearned from3 sentences. Efficacy can be in models.Logical formLearned from3 sentences. Villagers may believe in an efficacy of prayer.Logical formLearned from3 sentences. An efficacy can be adaptive.Logical formLearned from3 sentences. An efficacy can be powerful.Logical formLearned from3 sentences. Efficacy can be as drugs.Logical formLearned from3 sentences. A male may doubt an efficacy.Logical formLearned from3 sentences. An efficacy may pertain-to an ointment.Logical formLearned from3 sentences. An efficacy can be admirable.Logical formLearned from3 sentences. An efficacy can be perpetual.Logical formLearned from3 sentences. An efficacy can be rare.Logical formLearned from3 sentences. An efficacy may pertain-to a life.Logical formLearned from3 sentences. An efficacy may pertain-to a doctrine.Logical formLearned from3 sentences. An efficacy may pertain-to a testimony.Logical formLearned from3 sentences. An efficacy can be proved.Logical formLearned from3 sentences.