Answer:
I am the building with the most number of stories. What am I?
When you need me, you must find me. When you find me, you no longer need me. What am I?
Who is your mother's only sister's son's brother's aunt's daughter's sister's father?
What is the word that even in plain sight remains hidden?
I am a kind of coat that can only be put on when wet. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.