An efficacy may pertain-to roles.Logical formLearned from3 sentences. Questions can be about an efficacy of (security measures).Logical formLearned from3 sentences. An efficacy of a mission can be in question.Logical formLearned from3 sentences. Skepticism can be about an efficacy.Logical formLearned from3 sentences. (Treatment efficacy) can be in patients.Logical formLearned from3 sentences. An efficacy may pertain-to opposition.Logical formLearned from3 sentences. An efficacy may pertain-to (security forces).Logical formLearned from3 sentences. An efficacy of a resolution may depend on a warning.Logical formLearned from3 sentences. Clinical trials may prove an efficacy.Logical formLearned from3 sentences. An efficacy may pertain-to medicines.Logical formLearned from3 sentences. An efficacy may pertain-to a plant.Logical formLearned from2 sentences. An (efficacy trial) can be pivotal.Logical formLearned from2 sentences. Vaccine may have (preventive efficacy).Logical formLearned from2 sentences. An (efficacy rate) can be high.Logical formLearned from2 sentences. An efficacy may pertain-to an (inclusive government).Logical formLearned from2 sentences.