A virus may mutate into a form.Logical formLearned from1 435 sentences. A virus may mutate into a strain.Logical formLearned from157 sentences. A strain may mutate into a form.Logical formLearned from118 sentences. A (bird flu virus) may mutate into a form.Logical formLearned from117 sentences. A virus may mutate to a form.Logical formLearned from105 sentences. A gene may be mutated.Logical formLearned from62 sentences. Counterculture may mutate into a vacuum.Logical formLearned from57 sentences. A strain of (bird flu) may mutate into a form.Logical formLearned from49 sentences. A disease may mutate into a form.Logical formLearned from49 sentences. A virus may be mutated.Logical formLearned from46 sentences. (Bird flu) may mutate into a form.Logical formLearned from42 sentences. A person may be mutated.Logical formLearned from32 sentences. A male may be mutated.Logical formLearned from30 sentences. Genes may be mutated.Logical formLearned from27 sentences. A virus may be mutated into a form.Logical formLearned from23 sentences.