A role can be in scientific research.Logical formLearned from32 sentences. Roles can be sensitive.Logical formLearned from32 sentences. A role may pertain-to a consultant.Logical formLearned from32 sentences. A role can be as nurse.Logical formLearned from32 sentences. A role can be in policies.Logical formLearned from32 sentences. A statement can be about a role.Logical formLearned from32 sentences. Persons may explore a role.Logical formLearned from32 sentences. Cost may play a role.Logical formLearned from32 sentences. A role can be as a leader.Logical formLearned from32 sentences. A role may be mentioned.Logical formLearned from32 sentences. A role can be fatal.Logical formLearned from32 sentences. A failure may play a role.Logical formLearned from32 sentences. Roles can be in a campaign.Logical formLearned from32 sentences. A role can be irreplaceable.Logical formLearned from32 sentences. A role can be preventative.Logical formLearned from32 sentences.