(Brain diseases) can be fatal.Logical formLearned from28 sentences. A disease may prove fatal.Logical formLearned from28 sentences. (Head wounds) can be fatal.Logical formLearned from28 sentences. A bug can be fatal.Logical formLearned from28 sentences. (Heart attacks) can be fatal.Logical formLearned from27 sentences. A secret can be fatal.Logical formLearned from27 sentences. A drug can be fatal.Logical formLearned from27 sentences. Failures can be fatal.Logical formLearned from27 sentences. Riots can be fatal.Logical formLearned from27 sentences. Dozens can be constituted-of-or-filled-with fatal accidents.Logical formLearned from27 sentences. Resistance can be fatal.Logical formLearned from27 sentences. A ride can be fatal.Logical formLearned from27 sentences. (Auto accidents) can be fatal.Logical formLearned from27 sentences. (Bullet wounds) can be fatal.Logical formLearned from27 sentences. Swellings can be fatal.Logical formLearned from27 sentences.