A person may get_down on knees.Logical formLearned from358 sentences. A male may hurt a knee.Logical formLearned from354 sentences. Knees may shake.Logical formLearned from344 sentences. Knees may go weak.Logical formLearned from339 sentences. Knees can be bent.Logical formLearned from331 sentences. A knee can be swollen.Logical formLearned from331 sentences. A knee can be strained.Logical formLearned from331 sentences. Osteoarthritis may pertain-to a knee.Logical formLearned from330 sentences. A male may recover from (knee surgery).Logical formLearned from321 sentences. A person may have a knee.Logical formLearned from320 sentences. An anterior (cruciate ligament) can be in a knee.Logical formLearned from312 sentences. Knees may be hurted.Logical formLearned from311 sentences. A male may sink to knees.Logical formLearned from311 sentences. A knee can be troublesome.Logical formLearned from301 sentences. Some ligaments can be in a knee.Logical formLearned from293 sentences.