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