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