Complex sentence: Slater, who is supported by his girlfriend, Lorry (Shelley Winters), finds out Ingram is black and refuses the job but, realizing he needs the money, later joins Ingram and Burke in the enterprise.
Split into simpler sentences: Slater, who is supported by his girlfriend, Lorry (Shelley Winters), finds out Ingram is black and refuses the job. Later, he realizes that he needs the money, and joins Ingram and Burke in the enterprise.