Adult (stem cells) may undergo a use.Logical formLearned from106 sentences. A stem can be hollow.Logical formLearned from102 sentences. Ends may pertain-to stems.Logical formLearned from99 sentences. A debate can be over (stem cell research).Logical formLearned from99 sentences. A female may oppose (stem cell research).Logical formLearned from98 sentences. Stems can be leafy.Logical formLearned from93 sentences. Sources can be constituted-of-or-filled-with (stem cells).Logical formLearned from92 sentences. (Stem cells) can be vital.Logical formLearned from91 sentences. A stem can be tall.Logical formLearned from91 sentences. Stems can be dead.Logical formLearned from90 sentences. A (stem cell line) can be embryonic.Logical formLearned from88 sentences. (Stem cells) can be cells.Logical formLearned from86 sentences. A ban can be on (stem cell research).Logical formLearned from86 sentences. A male may support (stem cell research).Logical formLearned from85 sentences. Research may involve embryonic (stem cells).Logical formLearned from85 sentences.