Instructions: You are given a sentence and your task is to generate another sentence that supports the given input.
Input: 200 million years 500 million years 600 million years 2 billion years These inclined earthquake zones are believed to define the positions of subducted plates where they plunge into the mantle beneath the overriding plate.
Output:
Earthquakes mark the motions of colliding plates and the locations where plates plunge into the mantle.