Your goal is to find the secret four-color code. The following colors are possible: green, pink, red, white, blue, yellow.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['green', 'pink', 'yellow', 'red']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['pink', 'red', 'red', 'white']. Hint: one color is in the secret code but in the wrong position.
Guess: ['red', 'blue', 'green', 'yellow']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['blue', 'yellow', 'green', 'pink']. Hint: four colors are in the secret code but in the wrong positions.
A B C D
white, pink, red, white pink, blue, white, blue white, green, yellow, green yellow, blue, pink, green