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