sentence1: Among key items are Braque's Man with Guitar (1914), Matisse's collage The Sorrow of the King (1952), Dali's Six Images de L??nine sur un Piano (1931), and Andy Warhol's Ten Lizes (1963).
sentence2: Braque painted his Man with Guitar in 1914, and Matisse's collage The Sorrow of The King was created in 1952.