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