Diez told the people not to wear bright colors because _____

they would attract the attention of predators.

To find the answer, we would need more context or information about the specific situation or statement made by Diez. However, as a general response, it is possible that Diez advised people not to wear bright colors for various reasons. Some possibilities could be:

1. Safety purposes: Diez may have warned against wearing bright colors in certain environments or situations where it could attract attention or pose a risk. For example, in areas with wildlife, wearing bright colors might encourage animals to approach or become startled.

2. Cultural or social norms: Diez might come from a culture or community where wearing bright colors is considered inappropriate or symbolic of something negative. In such cases, Diez could be advising people to adhere to those cultural or social norms.

3. Personal preference: Diez could have a personal preference for more subdued or neutral colors and may simply be expressing their opinion or suggesting that others follow suit.

4. Practical reasons: Bright colors can be more susceptible to staining or fading, and Diez may have been advising against wearing them to reduce the risk of damage or maintenance.

Again, without more context, it is difficult to determine the exact reason why Diez advised against wearing bright colors.

they attract bulls.

Maybe you should provide a little context, eh?