Task: Text Simplification
Input (English): helmut heinrich waldemar schmidt -lrb- born 23 december 1918 -rrb- is a german social democratic politician who served as chancellor of west germany from 1974 to 1982.
Output (English): helmut heinrich waldemar schmidt -lrb- born 23 december 1918 -rrb- is a german social democratic politician who was chancellor of west germany from 1974 to 1982.