Complex sentence: They defeated the Giants by six points to qualify for their first grand final appearance in 55 years, and also becoming the first team to reach a grand final after finishing outside of the top four under the final eight system.
Split into simpler sentences: They defeated the Giants by six points to qualify for their first grand final appearance in 55 years. In doing so, the Bulldogs the first team to reach a grand final after finishing outside of the top four under the final eight system.