We Drop a Stone of Mass $m$ From a Height $h$ Into a Bucket of Water

Multiple Choice

We drop a stone of mass $m$ from a height $h$ into a bucket of water. What would be a suitable replacement process for this non-quasistatic process?

A) Lower the stone gently into the water.
B) Lower the stone gently into the water, and then heat the water until it has $m g h$ more energy than it had before.
C) Lower the stone gently into the water, and then stir the water gently to give it $m g h$ more energy.
D) Raise the water up to height $h$ , gently put the stone in it, and then lower both back to the ground.
E) Either (B) or (C) .
F) None of the above.