TASK DEFINITION: You are given a sentence and your task is to generate another sentence that supports the given input.
PROBLEM: Weather fronts mark the boundary or transition zone between two air masses and have an important impact upon the weather.

SOLUTION: In weather terms, the boundary between two air masses is called front.

PROBLEM: Neptune Neptune is the eighth planet from the Sun and the fourth largest (by diameter).

SOLUTION: The eighth planet from our sun is neptune.

PROBLEM: To understand our changing seasons, follow Earth's path around the sun for one complete orbit (i.e., one year).

SOLUTION:
It takes about one year for earth to orbit the sun.