Knees may tremble.Logical formLearned from145 sentences. (Knee problems) can be chronic.Logical formLearned from144 sentences. A knee can be dislocated.Logical formLearned from144 sentences. Hands can be on knees.Logical formLearned from144 sentences. A female may sink to knees.Logical formLearned from143 sentences. A male may have a (knee injury).Logical formLearned from140 sentences. Some operations can be on a knee.Logical formLearned from140 sentences. A (knee surgery) may pertain-to a person.Logical formLearned from137 sentences. A knee can be reconstructed.Logical formLearned from136 sentences. A knee may be injured.Logical formLearned from135 sentences. Injuries can be to a knee.Logical formLearned from134 sentences. (Knee ligaments) can be damaged.Logical formLearned from134 sentences. A knee can be for a spanking.Logical formLearned from133 sentences. A (knee surgery) can be successful.Logical formLearned from133 sentences. A knee can be painful.Logical formLearned from133 sentences.