Your goal is to find the secret four-color code. The following colors are possible: red, yellow, white, pink, black, green.
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', 'white', 'yellow', 'black']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['red', 'yellow', 'green', 'green']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['black', 'red', 'green', 'white']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
Guess: ['red', 'green', 'black', 'white']. Hint: four colors are in the secret code but in the wrong positions.
A B C D
white, black, green, red white, pink, red, white green, yellow, red, green red, red, black, white