A person may have a heart-attack.Logical formLearned from19 sentences. A male may have a heart-attack.Logical formLearned from17 sentences. A heart-attack can be mild.Logical formLearned from15 sentences. A male may die of a heart-attack.Logical formLearned from13 sentences. A heart-attack may pertain-to a male.Logical formLearned from10 sentences. A female may have a heart-attack.Logical formLearned from8 sentences. A male may suffer a heart-attack.Logical formLearned from7 sentences. A heart-attack may pertain-to a person.Logical formLearned from5 sentences. A person may die of a heart-attack.Logical formLearned from5 sentences. A heart-attack can be sudden.Logical formLearned from4 sentences. (Heart-attack survivors) may pertain-to a US-city.Logical formLearned from4 sentences. A (heart-attack preventer) may take a place.Logical formLearned from4 sentences. Drugs may be given to (heart-attack patients).Logical formLearned from4 sentences. Scientists may be delvinged into mysteries of (heart-attack patients).Logical formLearned from4 sentences. A father may die from a heart-attack.Logical formLearned from3 sentences.