Which of the following types of controversy is the most difficult to predict about an audience’s reaction? * Emotionally triggering personal experiences.
Excessive s** and violence.
Extreme political statements.
Insensitive ethnic portrayals.

Emotionally triggering personal experiences.

Explanation:

Because personal experiances differ.

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."