A (brain tumor) may be discovered.Logical formLearned from19 sentences. An ability may pertain-to a tumor.Logical formLearned from19 sentences. Doctors may find tumors.Logical formLearned from19 sentences. A surgeon may remove a tumor.Logical formLearned from19 sentences. A tumor can be known.Logical formLearned from19 sentences. A tumor may be detected.Logical formLearned from19 sentences. Tumors can be serous.Logical formLearned from19 sentences. Surgical resection may pertain-to a tumor.Logical formLearned from19 sentences. A tumor can be deadly.Logical formLearned from19 sentences. Some women can be with tumors.Logical formLearned from19 sentences. A malignant tumor may be removed.Logical formLearned from19 sentences. A scan may reveal a tumor.Logical formLearned from19 sentences. Doctors may find a malignant tumor.Logical formLearned from19 sentences. A son may have a (brain tumor).Logical formLearned from19 sentences. A tumor can be in a liver.Logical formLearned from19 sentences.