Instructions: In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.
Input: Its an interesting feeling when you crave perfect alone time and then get it in a tunnel at 30 mph . its a feeling of serenity , of loss and found , of gain and lack . a rare oppertunity to be wholly unique . for a brief moment in my life i was in truth one of a kind in six billion .
Output:
What may have caused your feeling of serenity ?