A strain can be deadly.Logical formLearned from4 475 sentences. A strain may pertain-to a virus.Logical formLearned from2 511 sentences. A strain can be virulent.Logical formLearned from1 865 sentences. Strains can be resistant.Logical formLearned from1 264 sentences. A strain can be abdominal.Logical formLearned from1 042 sentences. A strain can be lethal.Logical formLearned from971 sentences. Signs can be constituted-of-or-filled-with strain.Logical formLearned from765 sentences. A strain can be pathogenic.Logical formLearned from728 sentences. A strain can be constituted-of-or-filled-with (bird flu).Logical formLearned from701 sentences. A strain may pertain-to a male.Logical formLearned from682 sentences. A strain may pertain-to a disease.Logical formLearned from658 sentences. Strains can be constituted-of-or-filled-with bacteria.Logical formLearned from596 sentences. Strains may pertain-to a virus.Logical formLearned from579 sentences. A strain can be emotional.Logical formLearned from570 sentences. Strains can be bacterial.Logical formLearned from552 sentences.