A person may see bone.Logical formLearned from25 sentences. Bones may pertain-to the earth.Logical formLearned from25 sentences. (Stem cells) may be derived from (bone marrow).Logical formLearned from25 sentences. Bones can be whitened.Logical formLearned from25 sentences. (Bone spurs) can be in an ankle.Logical formLearned from25 sentences. Bones may stick.Logical formLearned from25 sentences. Bones may pertain-to a body.Logical formLearned from25 sentences. A (bone marrow function) can be decreased.Logical formLearned from25 sentences. Long bones may pertain-to arms.Logical formLearned from25 sentences. Cells can be in a (bone marrow).Logical formLearned from25 sentences. Bone may scan.Logical formLearned from25 sentences. Skin may be stretched over bones.Logical formLearned from25 sentences. A male may suffer some broken bones.Logical formLearned from25 sentences. A (bone marrow) may stop.Logical formLearned from25 sentences. Bones may pertain-to a mother.Logical formLearned from25 sentences.