Two humans ascended a certain geological protuberance to collect a hydride of oxygen whose quantity isn’t specified…

One member descends dramatically suffering mechanical damage to the cranial part of his anatomical cranium!

The second member follows the first in a similar series of rapid irregular disturbing movements…

Got something?

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No!

Here In simple English…

“Jack & Jill went up the hill to fetch a pail of water, Jack fell down and broke his crown and Jill came tumbling after” …