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: "who is the first president of bharatiya janata party?" whose answer is Atal Bihari Vajpayee.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first president of bharatiya janata party
Useful Output:

Doc 1: Charan Singh (born December 23, 1902, Noorpur, Meerut district, United Provinces [now Uttar Pradesh], India—died May 29, 1987, New Delhi) was an
Doc 2: After consultation with Shri Golwalkar Guruji of RSS Shri Mookerjee founded Bharatiya Jana Sangh on 21st Oct. 1951 at Delhi and he became the first President of
Doc 3: Vajpayee was the first President of BJP party. Vajpayee is one among the few Indian Prime Ministers to leave a remarkable impact on society.
Doc 4: OnThisDay in 1980, Bharatiya Janata Party was formed by former members of Janata Party with their first president being Atal Bihari Vajpayee
Doc 5: Formation and early days. Influential figures. Atal Bihari Vajpayee, the founder-president of the Bharatiya Janata Party  first president. Historian