Complex sentence: Since 1969, two of Maine's four electoral votes have been awarded based on the winner of the statewide election; the other two go to the highest vote-getter in each of the state's two congressional districts.
Split into simpler sentences: Since 1969, two of Maine's four electoral votes are awarded based on the winner of the statewide election. The other two go to the highest vote-winner in each of the state's two congressional districts.