A form may pertain-to a stem.Logical formLearned from9 sentences. A stem may exceed a meter.Logical formLearned from9 sentences. A length can be constituted-of-or-filled-with stem.Logical formLearned from9 sentences. (Stem cells) may undergo a transplantation.Logical formLearned from9 sentences. Stems may undergo a removal.Logical formLearned from9 sentences. A bark may pertain-to stems.Logical formLearned from9 sentences. A stem can be flattened.Logical formLearned from9 sentences. Embryonic (stem cells) can be (stem cells).Logical formLearned from9 sentences. Parts may pertain-to a (brain stem).Logical formLearned from9 sentences. Flowers can be on stems.Logical formLearned from9 sentences. Stems can be skinny.Logical formLearned from9 sentences. (Stem cells) may undergo maintenance.Logical formLearned from9 sentences. Positions can be on (stem cell research).Logical formLearned from9 sentences. Stems can be withered.Logical formLearned from9 sentences. An angle can be to a stem.Logical formLearned from9 sentences.