TASK DEFINITION: You are given a sentence and your task is to generate another sentence that supports the given input.
PROBLEM: For example, if you were to put an ice cube, a solid, outside on a hot day, it would turn to water, a liquid.

SOLUTION: Ice cubes are an example of the solid form of water.

PROBLEM: During the early Paleozoic, the amount of carbon dioxide in the atmosphere was much greater than it is today.

SOLUTION: During the early paleozoic, the amount of carbon dioxide in the atmosphere was much greater compared to today.

PROBLEM: Solids are in a state of matter that maintains a fixed volume and shape.

SOLUTION:
A definite shape and a definite volume are properties of the solid, only state(s) of matter.