I have a house with 5 rooms, room 1 is in blue color, room 2 is red color, room 3 is yellow, room 4 is in white color and room 5 is in orange color, the yellow color will fade to white in 1 year, what is the least effort to make all room in white color in 2 years There should be exactly 6 paragraphs separated by the markdown divider: ***.
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