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