Knuckles can be brown.Logical formLearned from2 sentences. (Plastic toys) may give way to (knuckle joints).Logical formLearned from2 sentences. Handshakes may crush knuckles.Logical formLearned from2 sentences. Knuckles may pertain-to occupants.Logical formLearned from2 sentences. Scars may meander across knuckles.Logical formLearned from2 sentences. A knuckle can be open.Logical formLearned from2 sentences. A knuckle may be closed.Logical formLearned from2 sentences. A knuckle can be on a car.Logical formLearned from2 sentences. A knuckle can be a clamp.Logical formLearned from2 sentences. A knuckle may be joined to an end of a drawbar.Logical formLearned from2 sentences. A (plastic finger) may be cut_offed at a knuckle.Logical formLearned from2 sentences. Knuckles may pertain-to a (bond market).Logical formLearned from2 sentences. A knuckle may crack.Logical formLearned from2 sentences. Persons may crack themselves on knuckles.Logical formLearned from2 sentences. Items may include (brass knuckles).Logical formLearned from2 sentences.