He considered the problem and could see no other answer.

As he considered the problem, an idea came to him.

He considered the problem for some time without finding any answer.

Even if this were true, I don't see why it should be considered a problem.

In reality, it was not considered a problem for most people.

Until recently that was not considered so serious a problem; again, it is common in the West.

For two days he considered the problem from every angle.

The situation in Norway was no longer to be considered a local problem.

Bias in the state media was also considered a problem.

Some of the areas consider problems in a more abstract way.