Yellow ribbon the Ole Oak Tree (with the song's lyrics serving as an allegory of Aquino's homecoming after a long period of incarceration and subsequent exile due to his constant criticism of the Marcos regime), supporters tied yellow ribbons along the streets of Metro Manila to welcome him from his self-exile in the United States. Aquino never saw the ribbons as he was assassinated while disembarking at the Manila International Airport on August 21, 1983. His death led to a series of events that culminated in the 1986 People Power Revolution that overthrew President Ferdinand Marcos. The color yellow was symbolic of
An Oak Tree colour, with the goal of discarding meaning, which is "both persistent and unstable", although he states that people's need to create associations and meanings makes this goal unachievable. "An Oak Tree" was first shown in an exhibition of Craig-Martin's work at the Rowan Gallery, off Bond Street, London, in 1974. Many visitors assumed that Craig-Martin was playing the ultimate con trick, as there seemed no evidence of work on display in the white-walled gallery. However, high up on a wall was the glass of water and the glass shelf of the work "An Oak Tree". At this time the accompanying