Guess what is it

I saw it with my eyes
but
couldn't understand it..
.
took it in my hand
but
couldn't
understand it..!
.
.
.
Thought for a long time
but
didn't understand it..
.
.
It is not a dream..
.
.
It is not love..
.
.
It is not even friendship..
.
It was
.
.
"The Question Paper"