Complex sentence: The Eurasian Economic Union, the Gulf Cooperation Council, CARICOM and the European Union are current examples of single markets, although the GCC's single market has been described as "malfunctioning" in 2014.
Split into simpler sentences: The Eurasian Economic Union, the Gulf Cooperation Council, CARICOM and the European Union are current examples of single markets. Although the GCC's single market has been described as "malfunctioning" in 2014.