Complex sentence: Although the success in mainstream airplay was not as strong in North America, the song did receive strong adult contemporary airplay in both the U.S. and Canada, peaking at number seven in the U.S. Adult Contemporary chart and number four in the Canadian Adult Contemporary chart.
Split into simpler sentences: Although the success in the Mainstream Airplay was not as strong in North America the song did receive strong Adult Contemporary airplay in both the U.S. and Canada. The song peaked at number seven in the U.S. Adult Contemporary chart and number four in the Canadian Adult Contemporary chart.