A source can be constituted-of-or-filled-with adult (stem cells).Logical formLearned from23 sentences. Stems can be hard.Logical formLearned from23 sentences. A female may support (stem cell research).Logical formLearned from23 sentences. Stems can be affected.Logical formLearned from23 sentences. (Stem cells) can be specialized.Logical formLearned from23 sentences. Embryonic (stem cells) may be matched to patients.Logical formLearned from23 sentences. Researcher may derive embryonic (stem cells) from embryos.Logical formLearned from23 sentences. A center may pertain-to a (stem cell debate).Logical formLearned from23 sentences. A stem can be white.Logical formLearned from22 sentences. A stem can be stiff.Logical formLearned from22 sentences. An attachment can be to a stem.Logical formLearned from22 sentences. A stem can be woolly.Logical formLearned from22 sentences. Cells can be (stem cells).Logical formLearned from22 sentences. A stem may grow.Logical formLearned from22 sentences. A (stem cell researcher) may pertain-to an university.Logical formLearned from22 sentences.