Secrets may pertain-to a past.Logical formLearned from281 sentences. A secret can be safe.Logical formLearned from279 sentences. Secrets may be revealed to a person.Logical formLearned from273 sentences. A secret may pertain-to a country.Logical formLearned from258 sentences. A person may have secrets.Logical formLearned from258 sentences. A person may know secrets.Logical formLearned from252 sentences. (State secrets) can be revealing.Logical formLearned from252 sentences. A secret can be guilty.Logical formLearned from250 sentences. (Nuclear secrets) may pertain-to a country.Logical formLearned from249 sentences. Secrets can be sensitive.Logical formLearned from249 sentences. (State secrets) may undergo a theft.Logical formLearned from247 sentences. A secret can be out.Logical formLearned from245 sentences. Secrets can be buried.Logical formLearned from242 sentences. Secrets may undergo a theft.Logical formLearned from238 sentences. A person may keep a secret.Logical formLearned from231 sentences.