A ban can be on (cell phones).Logical formLearned from27 sentences. (Fuel cells) may generate electricity.Logical formLearned from27 sentences. Cells may pertain-to a retina.Logical formLearned from27 sentences. (Stem cell research) may have potential.Logical formLearned from27 sentences. (Stem cells) can be fluid.Logical formLearned from27 sentences. Research may use adult (stem cells).Logical formLearned from27 sentences. Cells can be amoeboid.Logical formLearned from27 sentences. (Stem cells) may be used.Logical formLearned from27 sentences. A cell can be modified.Logical formLearned from27 sentences. Parts may pertain-to cells.Logical formLearned from27 sentences. A (cell type) can be specialized.Logical formLearned from27 sentences. A (blood cell production) can be white.Logical formLearned from27 sentences. A cell may stop.Logical formLearned from27 sentences. A (cell injury) can be endothelial.Logical formLearned from27 sentences. Cells may convert sunlight.Logical formLearned from27 sentences.