Complex sentence: Two other singles were released from the EP, "Telephone" (featuring Beyoncé), which became Gaga's fourth UK number one single and "Alejandro", whose music video was deemed blasphemous by the Catholic League.
Split into simpler sentences: Two other singles were released from the EP, "Telephone" (featuring Beyoncé) and "Alejandro". The former became Gaga's fourth UK number one single, while the latter faced controversy for its music video, which was deemed blasphemous by the Catholic League.