You are given a sentence and your task is to generate another sentence that supports the given input.

Q: 250 million years ago There was just one giant continent on Earth, called Pangaea, and a giant ocean, called Panthalassa.

A: Pangaea began breaking apart 250 million years ago.
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Q: Consider that human evolution progresses at a very, very slow pace.

A: Human evolution shows that evolutionary changes typically occur at a slow pace.
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Q: Blood is pumped through the chambers with the help of four heart valves.

A:
There are four valves in the heart.
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