Complex sentence: The first couple to buzz-in gets to solve the headline, and if they are correct, they win money; but if they are wrong the opposing couple gets to decide to either see more clues and letters or solve the headline immediately.
Split into simpler sentences: The first couple to buzz-in gets to solve the headline and if they are correct, they win money. If they are wrong the opposing couple gets to decide to either see more clues and letters or solve the headline immediately.