Input (grade 13): Three years later, at the 117th IOC Session, the first major program revision was performed, which resulted in the exclusion of baseball and softball from the official program of the 2012 London Games.
Output (grade 7): Three years later, at the 117th IOC Session, the first major change to the list was performed. This resulted in the removal of baseball and softball from the list of sports for the 2012 London Games.