An (erect stem) can be slender.Logical formLearned from24 sentences. Stems can be narrow.Logical formLearned from24 sentences. Stems may pertain-to trees.Logical formLearned from24 sentences. A political-leader may oppose (stem cell research).Logical formLearned from24 sentences. (Stem cells) may undergo applications.Logical formLearned from24 sentences. (Stem cells) may be found.Logical formLearned from24 sentences. Stems can be green.Logical formLearned from24 sentences. (Stem cells) may be derived.Logical formLearned from24 sentences. (Stem cells) may be harvested from human embryos.Logical formLearned from24 sentences. (Stem cells) may undergo an injection.Logical formLearned from24 sentences. (Stem cell experiments) can be embryonic.Logical formLearned from24 sentences. Stems can be leafless.Logical formLearned from24 sentences. Stems can be verbal.Logical formLearned from24 sentences. (Stem cells) may undergo a cloning.Logical formLearned from24 sentences. Stems can be younger.Logical formLearned from24 sentences.