Complex sentence: He was an unsuccessful candidate for reelection in 1974 to the Ninety-fourth Congress, but became a deputy assistant secretary for education at the Department of Health, Education and Welfare from 1975 to 1977.
Split into simpler sentences: He was an unsuccessful candidate for reelection in 1974 to the Ninety-fourth Congress. Deputy assistant secretary for education, Department of Health, Education and Welfare from 1975 to 1977.