Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

For to synthesize glycogen purpose does liver use the excess carbohydrate.
For what purpose does liver use the excess carbohydrate?

Solid is characterized by molecules with minimal movement and strong forces between them.
Which state of matter is characterized by molecules with minimal movement and strong forces between them?

Backbone is another name for the vertebral column.
What is another name for the vertebral column?