Complex sentence: Sahamongkol Film International filed a $49-50 million lawsuit against Jaa, Universal Pictures, and United International Pictures in September 2013; claiming Jaa was in breach of his contract by accepting a role in "Furious 7".
Split into simpler sentences: Sahamongkol Film International filed a $49-50 million lawsuit against Jaa, Universal Pictures, and United International Pictures in September 2013. Sahamongkol claimed Jaa was in breach of his contract by accepting a role in "Fast and Furious 7".