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