You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What generation of a hybrid cat which is a cross between a serval and domestic cat is the first to be considered a domestic cat legally?" whose answer is F5.
Each document should contain about 30 words, and these documents should contain useful information.

Query: generation of domesticated serval hybrids
Useful Output:

Doc 1: Hybrid cats less than five generations removed from the wild cat are considered the most at risk from welfare problems when kept as domestic
Doc 2: The first Savannah cat owners began developing the Savannah breed during the 1980s by mixing African servals with domestic cats. According to
Doc 3: F1 generation: These Savannahs are 50% serval and 50% domestic cat. · F2 generation: These Savannahs have one serval grandparent, so they are 25%
Doc 4: F2 Generation: 25% serval, 75% domestic cat; F3 Generation: 12.5% serval, 87.5% domestic cat; F4 Generation: Less than 12.5% serval, more than
Doc 5: An F1 is 75% serval (Dad is serval and Mom is 50% serval). The USDA defines all hybrids as domestic. This certainly can be misleading, in that