A friendship may play a role.Logical formLearned from30 sentences. A role can be as protector.Logical formLearned from30 sentences. Roles may pertain-to members.Logical formLearned from30 sentences. A study may pertain-to roles.Logical formLearned from30 sentences. A role may pertain-to a pharmacist.Logical formLearned from30 sentences. A role can be in transmission.Logical formLearned from30 sentences. A role can be in applications.Logical formLearned from30 sentences. Planning may play a role.Logical formLearned from30 sentences. Modeling may play a role.Logical formLearned from30 sentences. A role can be in protecting an environment.Logical formLearned from30 sentences. A role may pertain-to systems.Logical formLearned from30 sentences. A role may be given to a female.Logical formLearned from30 sentences. A role may pertain-to opposition.Logical formLearned from30 sentences. A role can be in a school.Logical formLearned from30 sentences. A role may pertain-to a designer.Logical formLearned from30 sentences.