Complex sentence: Falun Gong founder Li Hongzhi has lived in the United States since 1996, and Falun Gong has a sizable global constituency; inside China, some sources estimate that millions may continue to practice Falun Gong in spite of suppression.
Split into simpler sentences: Falun Gong founder Li Hongzhi has lived in the United States since 1996, and Falun Gong has a sizable global constituency. Inside China, some sources estimate that millions may continue to practice Falun Gong in spite of suppression.