Complex sentence: She is assigned to do an exposé on Michael Moore to prove that he is homosexual, but when she spies on him outside of his house, she sees Rush Limbaugh coming out, leading her to conclude that Moore and Limbaugh are in a gay relationship.
Split into simpler sentences: She is assigned to do an exposé on Michael Moore to prove that he is homosexual. When she spies on him outside his house, she sees Rush Limbaugh coming out, leading her to conclude that Moore and Limbaugh are in a gay relationship.