Stems can be coloured.Logical formLearned from15 sentences. Stems can be hairless.Logical formLearned from15 sentences. Portions may pertain-to a stem.Logical formLearned from15 sentences. (Stem cells) may undergo an importation.Logical formLearned from15 sentences. Stems can be vegetative.Logical formLearned from15 sentences. Stems can be pale.Logical formLearned from15 sentences. (Stem cells) may destroy an embryo.Logical formLearned from15 sentences. A group can be constituted-of-or-filled-with (stem cells).Logical formLearned from15 sentences. A (stem cell policy) can be embryonic.Logical formLearned from15 sentences. Cells may be knowned as (stem cells).Logical formLearned from15 sentences. A debate can be about (stem cell research).Logical formLearned from15 sentences. Research can be in (stem cells).Logical formLearned from15 sentences. A (stem cell) can be from a human embryo.Logical formLearned from15 sentences. Federal funding can be constituted-of-or-filled-with embryonic (stem cell).Logical formLearned from14 sentences. Stems may undergo a use.Logical formLearned from14 sentences.