Complex sentence: Parties such as the Bulgarian Socialist Party, the Greens, Bulgarian Left and DSB have supported the parade organizers' right to hold the pride parade, although in 2014, only the Greens and Bulgarian Left sent statements of support to the parade.
Split into simpler sentences: Parties such as the Bulgarian Socialist Party, the Greens, Bulgarian Left and DSB have supported the parade organizers' right to hold the pride parade. However, in 2014, only the Greens and Bulgarian Left sent statements of support to the parade.