Complex sentence: In February of the same year Miró had painted the triptych "The hope of a condemned Man", concerned about the conviction of the activist Salvador Puig Antich, who was finally executed by garrotte on 2 March 1974.
Split into simpler sentences: In February of the same year Miró had painted the triptych "The hope of a condemned Man". This painting concerned the conviction of the activist Salvador Puig Antich, who was finally executed by garrotte on 2 March 1974.