Experimentation can be with embryonic (stem cells).Logical formLearned from14 sentences. (Stem cell lines) can be available for research.Logical formLearned from14 sentences. Research may use (stem cell lines).Logical formLearned from14 sentences. A colony can be constituted-of-or-filled-with (stem cells).Logical formLearned from14 sentences. (Stem cell transplants) can be embryonic.Logical formLearned from14 sentences. Embryos can be for (stem cells).Logical formLearned from14 sentences. Companies can be with (stem cell lines).Logical formLearned from14 sentences. A leader can be in (stem cell research).Logical formLearned from13 sentences. (Stem cell research) may produce cures.Logical formLearned from13 sentences. (Stem cell lines) may pertain-to a male.Logical formLearned from13 sentences. (Stem cell research) may hold potential.Logical formLearned from13 sentences. A stem can be cylindrical.Logical formLearned from13 sentences. (Plant stems) can be hollow.Logical formLearned from13 sentences. An (erect stem) can be thin.Logical formLearned from13 sentences. A top of a stem may be occupied by an inflorescence.Logical formLearned from13 sentences.