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 common characteristic does the Pulmonaria and Bursera genuses have?" whose answer is flowering plants.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Pulmonaria genus characteristics
Useful Output:

Doc 1: The flowers of 'Spot On' open a unique deep salmon pink that matures to a rich blue color. Silver speckling dusts the green leaves. This is one of the first
Doc 2: Pulmonaria (lungwort) is a genus of flowering plants in the family Boraginaceae, native to Europe and western Asia, with one species (P. mollissima) east to
Doc 3: The genus Pulmonaria means “lung” as the spotted leaves resemble diseased lungs. P. officinalis was touted as medicine for lung ailments,
Doc 4: It is grown as a garden flower for its drooping, pink flowers that turn blue and for its often white-spotted leaves.
Doc 5: It prefers fresh and shady areas, nutrient-rich and mostly calcareous, stony or pure clay loam soils, at an altitude of 0–1,500 meters (0–4,921 ft) above sea