Complex sentence: Peter Camejo quoted in 2002 as claiming that he was a watermelon--green on the outside but red on the inside--in January 2004 initiated the Avocado Declaration, which compares Greens to avocados.
Split into simpler sentences: Peter Camejo quoted in 2002 as claiming that he was a watermelon--green on the outside but red on the inside. In January 2004, he initiated the Avocado Declaration, which compares Greens to avocados.