Complex sentence: The 1977 election sees a conflict between the social-democrat Joop den Uyl and christian-democrat Dries van Agt, many CPN-sympathizers vote for the social-democratic PvdA and the CPN loses all but two seats.
Split into simpler sentences: The 1977 election saw a conflict between the social-democrat Joop den Uyl and the christian-democrat Dries van Agt. Many CPN sympathizers voted for the social-democratic PvdA and the CPN lost all but two seats.