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