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