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: "On which continent are both Halimium and Parkinsonia native?" whose answer is Africa.
Each document should contain about 30 words, and these documents should contain useful information.

Query: native continent of Parkinsonia
Useful Output:

Doc 1: Native Distribution: Central and S. Arizona, SE. California, and NW. Mexico; 4000' (1219 m). Native Habitat: Along washes and valleys and
Doc 2: Thought to be native to tropical America, Parkinsonia is a small, hairless tree that has spread throughout the world as an ornamental and shade
Doc 3: Maximum Plant Spread / Crown Width, 6 m to 7.5 m ; Native Distribution, Southern USA, Mexico, Caribbean, Bolivia, Ecuador, Peru, Paraguay, Uruguay, Argentina.
Doc 4: Native Distribution: Southern half of Texas west to Arizona, south through Mexico and Central America to northern South America. Naturalized elsewhere; to 4500'
Doc 5: Parkinsonia is a native of tropical America. It was introduced into northern Australia as an ornamental plant, because of its attractive