Will every president attend Trump’s inauguration?

This market will resolve to "Yes" if Bill Clinton, George W. Bush, Barack Obama, and Joe Biden all attend the presidential inauguration currently scheduled for January 20, 2025 ET. Otherwise, this market will resolve to "No". Attending the inauguration is defined as being in physical attendance during any part of the ceremony. The primary resolution source for this market will be video and photo evidence, however a consensus of credible reporting will also be used.