A person may get on knees.Logical formLearned from462 sentences. (Knee ligaments) can be torn.Logical formLearned from461 sentences. A female may drop to knees.Logical formLearned from453 sentences. Knees can be weak.Logical formLearned from448 sentences. Knees can be bent.Logical formLearned from441 sentences. A (knee surgery) may pertain-to a male.Logical formLearned from432 sentences. Knees can be sore.Logical formLearned from431 sentences. A female can be on knees.Logical formLearned from429 sentences. A person may drop to knees.Logical formLearned from411 sentences. A (right knee) can be sore.Logical formLearned from408 sentences. A person may hurt a knee.Logical formLearned from393 sentences. A female may fall to knees.Logical formLearned from372 sentences. Pain can be in a knee.Logical formLearned from371 sentences. An operation can be on a knee.Logical formLearned from366 sentences. A back may pertain-to knees.Logical formLearned from366 sentences.