Complex sentence: Kamal Haasan was nominated by the Indian Prime Minister Narendra Modi for the Swachch Bharath Campaign, he chose to clean the Madambakkam lake in Chennai with the Environmentalist Foundation of India's Arun Krishnamurthy on 7 November 2014.
Split into simpler sentences: Kamal Haasan was nominated by the Indian Prime Minister Narendra Modi for the Swachh Bharat Campaign. He chose to clean the Madambakkam lake in Chennai with the Environmentalist Foundation of India's Arun Krishnamurthy on 7 November 2014.