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