Tumors can be developed.Logical formLearned from12 sentences. (Tumor cells) may undergo a death.Logical formLearned from12 sentences. Doctors may remove a cancerous tumor.Logical formLearned from12 sentences. A malignant tumor can be in a throat.Logical formLearned from12 sentences. A tumor can be a cancer.Logical formLearned from12 sentences. A part of a tumor may be take_outed.Logical formLearned from12 sentences. A person may battle a malignant (brain tumor).Logical formLearned from12 sentences. Action can be for a (brain tumor).Logical formLearned from12 sentences. Parts may pertain-to a tumor.Logical formLearned from12 sentences. A tumor can be in a country.Logical formLearned from12 sentences. Doctors may discover a tumor on a pancreas.Logical formLearned from12 sentences. A percent may pertain-to a tumor.Logical formLearned from12 sentences. A father may die of a (brain tumor).Logical formLearned from12 sentences. A person may remove a tumor.Logical formLearned from12 sentences. A tumor can be serious.Logical formLearned from12 sentences.