Simplify the following text for a Grade 5 native English-speaking person.
Original: Failing health prevented Graham from officiating at the state funeral of Gerald R. Ford on January 2 , 2007 , as well as the funeral of former First Lady Lady Bird Johnson in July 2007 .
Simplified: Bad health also kept Graham from doing the funeral of President Gerald R. Ford in Washington D.C. , on January 2 , 2007 .