Answer:
Some believe teens should never drink high-fructose juices; others think it is fine. Argument
Those who drink high-fructose juices as teens face frightening health risks later in life. Persuasion
Ducks are terrible pets because they can make owners miserable. Persuasion
Although ducks are not for everyone, many people find them interesting and fun pets. Argument
They focus on characters, customs, and language common to a particular region.
When an author uses local color, he/she is using characters, customs, and language common to a particular region. The characters may be considered stereotypical, but they can help to create a specific image. This can help create setting and also add to the plot. In the movie Brave, the writers use a variety of color. The language spoken by the characters has a Scottish accent, the food and activities the characters partake in a typical customs. The will-o'-the-wisps (blue lights) are also important characters in Scottish culture.
This is a pretty logical guess but I think an interview
It is ineffective because it does not provide a logical reason for opposing the counterclaim.