Complex sentence: The Saints answered in the second quarter when running back Darren Sproles scored a touchdown with a 2-yard run, and the Lions answered back when Calvin Johnson caught a 13-yard pass for a touchdown.
Split into simpler sentences: The Saints answered in the second quarter when running back Darren Sproles scored a touchdown with a 2-yard run. The Lions answered back when Calvin Johnson caught a 13-yard pass for a touchdown.