Explanation:

- Option 1: Leonardo da Vinci was a renowned Renaissance artist but did not paint "Guernica." He is best known for works like the "Mona Lisa" and "The Last Supper."

- Option 2: Picasso is correct. Pablo Picasso painted "Guernica" in response to the bombing of the town during the Spanish Civil War, capturing the horrors of war.

- Option 3: Van Gogh was a famous post-impressionist painter known for works like "Starry Night," but not "Guernica."

- Option 4: Michelangelo, also from the Renaissance period, is famous for the Sistine Chapel ceiling, not "Guernica."