Given Data

1. Input: blue, red, green, amber.
2. Step I: amber, blue, red, green.
3. Step II: amber, blue, green, red.

Question

What is the machine's final output?

Answer

amber, blue, green, red.

Solution

1. The machine sorts the words alphabetically.
2. Amber and blue are fixed after the first two steps.
3. Green comes before red, so Step II is already the final output.