Research may destroy human embryos.Logical formLearned from29 sentences. Embryos may undergo a screening.Logical formLearned from28 sentences. (Stem cell lines) may be derived from embryos.Logical formLearned from28 sentences. Research may destroy embryos.Logical formLearned from28 sentences. An embryo can be in a womb.Logical formLearned from28 sentences. Embryos may undergo a disposition.Logical formLearned from27 sentences. Embryos may be donated by couples.Logical formLearned from27 sentences. An embryo may pertain-to a person.Logical formLearned from27 sentences. Embryos can be identical.Logical formLearned from27 sentences. Research may involve destruction of human embryos.Logical formLearned from27 sentences. Embryos can be in research.Logical formLearned from27 sentences. An embryo may develop.Logical formLearned from26 sentences. Parts may pertain-to an embryo.Logical formLearned from26 sentences. Some embryos can be in storage.Logical formLearned from26 sentences. Embryos can be microscopic in size.Logical formLearned from26 sentences.