Complex sentence: Haiti had received an invitation from the Tripartite Commission to send Aniya Louissant in the women's welterweight category (67 kg) into the Olympic taekwondo competition, signifying the nation's Olympic comeback to the sport for the first time since 2004.
Split into simpler sentences: Haiti had received an invitation from the Tripartite Commission to send Aniya Louissant in the women's welterweight category (67 kg) into the Olympic taekwondo competition. This signifies nation's Olympic return to the sport for the first time since 2004.