Task: Question Answering
Input (English): Context: Blood donation line Please read this post first . Woke up to fighter jets at 4:30am today . In my half asleep state , I thought my cat 's purring was bombs . I woke up today and wanted to do something . 
Question: Why does the author say , " blood donation line please read this first " .?
Output (English): They most likely want to warn others of the weird after affects of giving blood !.