Write a personal narrative about a time when you investigated something mysterious or unknown.

One time I investigated that one of my favorite shirt was gone. So, it was a mystery for me i tried to  describe it in my head. I remember it in my head and look everywhere at my house and grandma house but it was no where to be found. So, I look downstairs of my grandma house and i sawed in my cousin  closet that she had my favorite shirt. So,my mystery was my cousin.  

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The answer would be a) true or the first option.