Complex sentence: The amendment was approved in the House of Representatives by 107--76, but before it went to the Senate the chocolate makers hired former senators George Mitchell and Bob Dole to lobby against it, and the Senate companion bill was never introduced.
Split into simpler sentences: The amendment was approved in the House of Representatives by 107--76. Before it went to the Senate the chocolate makers hired former senators George Mitchell and Bob Dole to lobby against it, and the Senate companion bill was never introduced.