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 . Include exactly 2 bullet points in your response. The bullet points should be in the form of:
* This is bullet 1
* This is bullet 2
...
. reply should include the word "best" at least 4 times. Respond with at least 3 sentences. The response must include the keywords Javascript. Your answer must have at least 3 placeholders, wrapped in square brackets, such as [author]. make sure that words with all capital letters appear less than 2 times. end it with a post script starting with P.P.S.
length_constraints:number_sentences detectable_format:number_bullet_lists change_case:capital_word_frequency keywords:frequency detectable_content:number_placeholders keywords:existence detectable_content:postscript
Respond with at least 3 sentences Include exactly 2 bullet points in your response. The bullet points should be in the form of:
* This is bullet 1
* This is bullet 2
...
 make sure that words with all capital letters appear less than 2 times reply should include the word "best" at least 4 times Your answer must have at least 3 placeholders, wrapped in square brackets, such as [author] The response must include the keywords Javascript end it with a post script starting with P.P.S