If 'yellow' means 'green', 'green' means 'white', white means 'red', 'red' means 'black', 'black' means 'blue' and 'blue' means 'violet', which of the following represents the colour of human blood?

Idiom 'Blue blood' means :

if 'black' means 'pink', 'pink' means 'blue', "blue' means 'white', 'white' mean "yellow', yellow' means 'red' and 'red' means 'brown', then what is the colour of clear sky?

If 'black' means 'pink' , ' pink' means ' blue' , 'blue' means 'white', 'white' means 'yellow', 'yellow' means 'red' and 'red' means 'brown', then what is the colour of clear sky ? (a) Brown (b) white (c )Blue (d) pink

Green revolution means:

If white means black, black means red, red means blue, blue means yellow and yellow means grey, then which of the following represents the colour of clear sky? 1) blue 2) red 3) yellow 4) Can’t be determined 5) None of these

Green revolution means :-