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A word-arrangement machine rearranges an input in steps by moving the alphabetically latest not-yet-placed word to the left end each step. Example — Input: fog sun ray mist; Step I: sun fog ray mist; Step II: sun ray fog mist. For the input 'ink oak elm pod', what is Step II?

Competition practiceInput-Output
  • Apod ink oak elm
  • Bpod oak elm ink
  • Cpod oak ink elm
  • Doak pod ink elm

Step-by-Step Solution

Descending alphabetical order is pod, oak, ink, elm. Step I moves 'pod' to the left: pod ink oak elm. Step II moves 'oak' to the left after 'pod': pod oak ink elm.
Answer: C) pod oak ink elm

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