Surgery can be risky.Logical formLearned from67 sentences. (Reconstructive surgery) can be on a knee.Logical formLearned from67 sentences. Some aspects can be constituted-of-or-filled-with (plastic surgery).Logical formLearned from66 sentences. A surgery can be sham.Logical formLearned from66 sentences. A (heart bypass surgery) may pertain-to a male.Logical formLearned from66 sentences. A surgery can be uncomplicated.Logical formLearned from65 sentences. A surgery can be lengthy.Logical formLearned from65 sentences. A (surgery date) may pertain-to a person.Logical formLearned from65 sentences. A person may perform surgery.Logical formLearned from65 sentences. A female may be scheduled for surgery.Logical formLearned from65 sentences. A comeback can be from (knee surgery).Logical formLearned from65 sentences. Surgery may undergo a complication.Logical formLearned from64 sentences. Persons may have surgery.Logical formLearned from64 sentences. Surgery may take place.Logical formLearned from64 sentences. A (heart bypass surgery) can be successful.Logical formLearned from64 sentences.