A sentence with an independent clause and dependent clause(again)

Explanation:

The rain fell heavily when the clouds thickened and darkened.

That's an example of one.

The independent clause is The rain fell heavily. Those 4 words will stand by themselves as a complete thought. The dependent clause is when the clouds thickened and darkened.  

The dependent clause tells you when it rains heavily. It will not stand on its own.

b. both have yearned to escape the environment they experienced as a child.

what passage could you provide the passage.