Stems may be covered in hairs.Logical formLearned from7 sentences. (Stem cells) may undergo a mobilization.Logical formLearned from7 sentences. (Stem cell research) may offer potential.Logical formLearned from7 sentences. A (stem cell differentiation) can be adult.Logical formLearned from7 sentences. Stems can be hollow.Logical formLearned from7 sentences. Stems can be naked.Logical formLearned from7 sentences. (Stem cells) may develop into (blood cells).Logical formLearned from7 sentences. (Stem cell research) may offer promise.Logical formLearned from7 sentences. A (brain stem) can be auditory.Logical formLearned from7 sentences. A (stem cell use) can be embryonic.Logical formLearned from7 sentences. (Stem cells) can be healthy.Logical formLearned from7 sentences. Advocacy can be for (stem cell research).Logical formLearned from7 sentences. (Stem cells) can be abnormal.Logical formLearned from7 sentences. A stem may pertain-to a fruit.Logical formLearned from7 sentences. A stem can be triangular.Logical formLearned from7 sentences.