Complex sentence: His famous painting "Heavenly Mist" is a rendering of the sinking of John F. Kennedy's PT Boat 109 by the Japanese Destroyer, Amagiri was a favorite of the President and remained in the White House until the assassination of President Kennedy.
Split into simpler sentences: His famous painting, "Heavenly Mist", is a rendering of the sinking of John F. Kennedy's PT Boat 109 by the Japanese Destroyer, Amagiri. The painting was a favorite of the President's and remained in the White House until the assassination of President Kennedy.