Complex sentence: Jean-Luc Mélenchon is very pro-animal rights and also a vegan, he stated during an interview with the magazine Gala that he changed his diet to "reduce consumption of meat and relieve animal suffering".
Split into simpler sentences: Jean-Luc Mélenchon is very pro-animal rights and also a vegan. He stated during an interview with the magazine Gala that he changed his diet to "reduce consumption of meat and relieve animal suffering".