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