Multi-choice problem: Continue writing the next sentence in this paragraph:

How to reduce flatulence in dogs
Avoid feeding your dog foods that are difficult to digest.
These gas-causing foods include peas and broccoli, which have high amounts of indigestible sugars. Foods with indigestible fibers, such as beans, should also be avoided.

Options are:
+ Avoid making changes to your dog's diet without first discussing it with your vet. Many high-fiber foods contain stored gas, which can slow the metabolism of your dog..
+ These foods contain higher levels of fiber, so there is less of them stored in the digestive wall. A high fiber diet contains a number of hormones that prevent the effects of flatulence..
+ Dog foods high in fiber are often a sign of hyperhnia, which is a type of dry mouth. Foods which are overly processed, such as dried fruits and raw meat, should also be avoided while pregnant or nursing..
+ Avoid milk products, like cheese and fluid milk, as well. Switch to feeding your dog premium dog food..
Avoid milk products, like cheese and fluid milk, as well. Switch to feeding your dog premium dog food.