A simple example concerns the copyright of an author in a work of literature.

One example concerned the difference between fact and opinion.

A simple example concerns the model on which aether was originally built: sound.

One example of the many problems of his education concerned the language he would speak.

This example concerns the data set from the Ordinary least squares article.

The first example concerns the honey-bee, and we need to know a little about its habits.

A good example concerns the assumption that residential care is ineffective.

An example would concern attitudes toward a controversial political issue.

The second example concerns the availability of resources such as coal and iron.

My third example concerns the principle of non-discrimination, or national treatment.