Complex sentence: It is a companion to the painting "The Third of May 1808" and is set in the Calle de Alcalá near Puerta del Sol, Madrid, during the Dos de Mayo Uprising.
Split into simpler sentences: It is a companion to the painting "The Third of May 1808". The is set in the Calle de Alcalá near Puerta del Sol, Madrid, during the Dos de Mayo Uprising.