In this task, you will be given sentences in which you have to recognize the name of the body cells. A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Although there might be several correct answers, you need to write one of them. 
 input :  Sickle cell disease : continuous arterial spin - labeling perfusion MR imaging in children .
keywords:frequency length_constraints:nth_paragraph_first_word startend:quotation detectable_format:multiple_sections punctuation:no_comma detectable_format:number_bullet_lists length_constraints:number_sentences
less than
Stuart
Stuart
SECTION
less than
reply should include the word "Stuart" less than 2 times answer exactly 4 paragraphs. Use 2 new lines to separate paragraphs. Start the first paragraph with the word "Stuart" Please wrap your entire reply with double quotation marks Your response must contain 3 sections, mark the beginning of each section with SECTION X You are not allowed to use any commas in your response Make sure the answer contains exactly 2 bullet points in markdown format The number of sentences in your response should be less than 3